She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer (Infrastructure)

Salary

$190K – $250K + Equity

Company Description

$30M Benchmark-backed AI developer tools startup

Job Description

You will own the entire infrastructure domain for a high-growth platform reviewing 1 billion lines of code monthly for 7,000+ customers. You'll build sandboxed execution environments, scale Kubernetes clusters, and operationalize on-premise deployments for enterprise giants. This is a high-ownership role at a $180M valuation startup redefining autonomous code validation.

Location

San Francisco, USA

Why this role is remarkable

• Backed by $30M from elite investors including Benchmark, Y Combinator, and Paul Graham, with a high-velocity culture of talent-dense engineers from Stripe, Google, and Figma.
• Direct impact on a product used by Nvidia, Coinbase, and Scale AI, solving the complex challenge of autonomous, agent-led code reviews and bug detection.
• Deep technical ownership over net-new systems like sandboxed execution environments and automated feature branch deployments in a fast-paced, in-person SF environment.

What you will do

• Design, scale, and maintain robust Kubernetes clusters and container runtimes to support massive usage growth and billions of lines of code.
• Build and manage sandboxed or isolated execution environments to allow agents to safely run and test code changes autonomously.
• Work directly with enterprise customers to deploy the platform into on-premise environments and build tools to operationalize this process at scale.

The ideal candidate

• 5+ years of experience with container runtimes, Kubernetes, Docker, Helm, Terraform, and primary cloud providers like AWS.
• Proven background building or operating infrastructure at compute-heavy companies like AWS, Modal, Vercel, or similar cloud-scale platforms.
• Strong expertise in computer networking, Linux systems, and hypervisors, with a passion for tinkering with compute clusters and performance tuning.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/software-engineer-infrastructure-190k-250k-equity-at-30m-benchmark-backed-ai-dev-3fd4d56a-99b7-44b2-a7bc-2d948fcd4808?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3fd4d56a-99b7-44b2-a7bc-2d948fcd4808
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Executive Assistant ($80k-$105k) at fast-growing healthtech infrastructure startup

Job Title

Executive Assistant

Salary

$80k-$105k

Company Description

Fast-growing healthtech infrastructure startup

Job Description

You will serve as the operational backbone for two co-founders at a venture-backed healthtech startup. This hybrid role in New York City focuses on managing complex calendars, travel logistics, and day-to-day administrative operations. You will gain a front-row seat to company building while receiving direct mentorship from experienced founders in a high-growth environment.

Location

New York City, USA

Why this role is remarkable

• Direct mentorship from experienced founders with a proven track record of scaling businesses to massive scale.
• Join a well-funded startup at the ground floor with a clear path for professional growth into future leadership roles.
• High-impact visibility where your organizational skills directly enable the leadership team to focus on strategic company expansion.

What you will do

• Own and manage high-volume calendars and executive inboxes to ensure maximum productivity for the leadership team.
• Coordinate end-to-end travel logistics and plan team-wide offsites and internal culture-building events.
• Lead day-to-day office operations and jump into varied administrative projects to support rapid scaling efforts.

The ideal candidate

• Possesses 1–3 years of experience as an executive assistant or administrative coordinator, ideally within a high-growth startup environment.
• Demonstrates obsessive attention to detail and a genuine passion for creating order within fast-paced, evolving organizations.
• Operates with high reliability and a proactive "hustle" mindset, comfortable with ambiguity and hybrid in-office collaboration.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Operations

Salary

$180,000–$250,000

Company Description

$25M San Francisco nonprofit AI safety and biosecurity talent accelerator

Job Description

Join a high-growth talent accelerator as the first operational hire, building the backbone for a $25M organization protecting humanity from transformative AI risks. You will triple the team from 7 to 25, establish a new San Francisco headquarters, and launch a founder residency program, owning everything from recruiting to complex international grant systems.

Location

San Francisco, USA

Why this role is remarkable

• Exceptional autonomy with no COO above you, allowing you to design and build every operational function from scratch using your own judgment.
• High-impact mission with $25M in funding already secured and a proven track record of training 7,000+ people for roles at Anthropic, DeepMind, and government safety institutes.
• A rare "building" opportunity to own a once-in-a-career project, including a full HQ buildout and the creation of a residency for frontier AI entrepreneurs.

What you will do

• Lead the end-to-end buildout of a new San Francisco headquarters, including lease negotiation, layout design, and project management.
• Scale the organization from 7 to 25 employees within 12 months by building the recruiting, people ops, and HRIS functions from zero.
• Architect and manage global grant disbursement systems and visa logistics for a rotating residency of 10-20 international entrepreneurs.

The ideal candidate

• Proven experience scaling operations at a fast-growth startup, ideally moving from ~10 to 50 employees, with a bias toward action over process.
• Versatile operator capable of managing diverse functions including recruiting, vendor management, immigration law, and facility buildouts simultaneously.
• High-agency problem solver with the ability to learn complex domains fast and a desire to return to the "scrappy chaos" of early-stage building.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/head-of-operations-180k-250k-at-25m-ai-safety-and-biosecurity-talent-accelerator-8cfd0192-9f6b-4842-b794-30513b4ad2d8?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_8cfd0192-9f6b-4842-b794-30513b4ad2d8
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Content Marketing Manager

Salary

$200k-$230k + Equity

Company Description

$29M Series A AI enterprise operations startup backed by Thrive Capital

Job Description

Join a fast-scaling team building autonomous AI agents that eliminate operational overhead for companies like Databricks and Figma. As the first content hire, you will architect the narrative from zero to one, transforming complex technical capabilities into a compelling brand voice that drives high-intent pipeline and defines a new category.

Location

San Francisco, USA

Why this role is remarkable

• Join a powerhouse backed by Thrive Capital (investors in OpenAI and Stripe) as they approach a high-valuation Series B round within months.
• Direct path to leadership: This is a "Head of Content" track role where you shape the entire brand engine and editorial north star from the ground floor.
• Partner with elite customers like Scale AI, Cursor, and Webflow to build the voice of the future of autonomous enterprise operations.

What you will do

• Lead end-to-end content production across SEO/GEO strategy, technical case studies, sales enablement, and narrative-driven social media presence.
• Collaborate directly with founders and growth leadership to define a sharp, persuasive brand voice that resonates with IT decision-makers.
• Build and optimize scalable distribution processes across X, LinkedIn, and YouTube to turn storytelling into a predictable driver of revenue.

The ideal candidate

• 5+ years of content marketing experience at a B2B SaaS company known for exceptional editorial quality and strong brand identity.
• Proven track record of connecting content to commercial outcomes, focusing on pipeline generation rather than just vanity traffic metrics.
• Exceptional storytelling instincts with the ability to move fluidly between high-level strategy and hands-on execution in a fast-paced environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/content-marketing-manager-200k-230k-equity-at-29m-series-a-ai-startup-backed-by--4cb114c1-152e-4a37-b902-a5d3237085b4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_4cb114c1-152e-4a37-b902-a5d3237085b4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Chief of Staff

Salary

Not Disclosed

Company Description

General Catalyst-backed government intelligence startup transforming public sector case processing with AI

Job Description

Join a high-growth startup as the CEO's right hand, modernizing how government agencies process disability claims and tax disputes. This San Francisco-based role offers the chance to build systems from zero to one alongside multi-exited founders. You will own strategic execution, GTM operations, and product feedback loops to reduce backlogs affecting millions.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with multi-exited founders (HBS/HKS and Oxford PhD) and advisors including Former IRS and SSA Commissioners to solve massive national backlogs.
• Backed by General Catalyst, the company is already live across the country with a proven platform that applies AI to complex, legacy government workflows.
• Unparalleled career growth in a seed-stage environment (~7 people) where you will touch every aspect of the business from strategy to operational scaling.

What you will do

• Design and lead high-impact strategic projects end-to-end, serving as the primary bridge between the CEO and cross-functional teams.
• Collaborate with sales and deployment units to build scalable go-to-market operations and ensure high-touch customer success with government agencies.
• Manage the product feedback loop, routing critical insights from caseworkers into the engineering roadmap to drive platform innovation.

The ideal candidate

• 6+ years of experience in Tier 1 management consulting (MBB), investment banking, or operations at a high-growth, venture-backed startup.
• Proven track record of building internal systems from scratch and leading initiatives that materially change a company's growth trajectory.
• Exceptional communicator capable of engaging with diverse stakeholders, from software engineers and venture investors to high-ranking government officials.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/chief-of-staff-at-general-catalyst-backed-government-intelligence-startup-46d09531-0e43-4b68-82f2-5d0b530eb7f8?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_46d09531-0e43-4b68-82f2-5d0b530eb7f8
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Head of Engineering

Salary

$200k-$250k + Equity

Company Description

Heavybit and Uncork Capital-backed cloud financial data platform

Job Description

Own the architecture and execution of a cloud financial data platform processing hundreds of millions of rows monthly. As the technical leader of a seed-stage team, you will ship code daily while scaling a high-performance engineering culture to solve complex data cardinality and multi-cloud billing challenges for Fortune 500 enterprises.

Location

San Francisco, USA

Why this role is remarkable

• Significant market leverage with $7.75M in fresh funding and a built-in audience of 35,000 AWS community members and Fortune 100 relationships.
• Unique hybrid model where seven years of domain-leading consulting insights fuel the product roadmap for a $47B total addressable market.
• High-autonomy builder role where you define the technical standards and grow the team from the ground floor in a high-transparency, no-politics environment.

What you will do

• Lead daily shipping and set a high-velocity pace by personally contributing to the codebase and removing architectural or process bottlenecks.
• Design and evolve a robust data infrastructure using Python, ClickHouse, and Airflow capable of 50x growth in data volume and complexity.
• Recruit and mentor a world-class engineering team, fostering a culture of excellence where engineers do the best work of their careers.

The ideal candidate

• Proven track record as a Director, VP, or founder who thrives in seed-stage ambiguity and remains a hands-on technical contributor.
• Deep expertise in data infrastructure, large-scale ETL/ELT pipelines, and managing complex datasets with near-unbounded cardinality.
• Enthusiastic about AI-assisted development and building product-focused engineering teams rather than purely infrastructure or operations-focused organizations.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/head-of-engineering-200k-250k-equity-at-heavybit-and-uncork-capital-backed-cloud-c4f20171-5b60-41ec-ac6b-bf956fc383ba?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_c4f20171-5b60-41ec-ac6b-bf956fc383ba
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack AI Engineer

Salary

£60k-£90k + Bonus

Company Description

Profitable, privately funded UK property lender specializing in bridging and development finance

Job Description

As the founding engineering hire, you will build and own two greenfield products from the ground up: an internal loan management system integrating HubSpot CRM and a custom investor portal. Working directly with the founders within a new Innovation department, you will define the technical architecture and drive product-led growth.

Location

London, UK

Why this role is remarkable

• Take total ownership as the first engineering hire in a profitable, fast-moving business that is just launching its dedicated technology division.
• Influence the company’s trajectory by building a bespoke internal loan ecosystem and an external investor portal from scratch rather than maintaining legacy code.
• Work in a high-trust environment with direct access to co-founders and a technically proficient team, skipping the corporate ticket queue for real impact.

What you will do

• Architect and develop an end-to-end loan management system that connects HubSpot CRM with underwriting, completions, and loan monitoring workflows.
• Design and launch a secure investor portal to streamline fundraising, deal updates, and high-stakes investor communications.
• Make foundational technical decisions on the stack and infrastructure while collaborating with the Innovation team to translate business requirements into software.

The ideal candidate

• Possesses 1-5 years of professional full-stack development experience with a track record of building and shipping high-quality, functional products.
• Demonstrates strong conscientious engineering practices and the ability to work independently in a greenfield environment without needing a predefined spec.
• Has experience or interest in fintech, financial services, or CRM integrations (like HubSpot), combined with a desire for hybrid work in Camden, London.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-ai-engineer-60k-90k-at-profitable-uk-property-finance-startup-44151903-c5b7-4a6b-b077-48e25bbf8442?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_44151903-c5b7-4a6b-b077-48e25bbf8442
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Software Engineer

Salary

Not Disclosed

Company Description

Agentic AI legal-tech startup automating complex legal workflows

Job Description

Join a high-growth startup as the first dedicated engineering hire, working directly with a technical co-founder to build agentic AI tools for the legal industry. You will translate ambiguous problems into high-impact product decisions, owning everything from multi-step background workflows to core AWS infrastructure while shaping the company's technical trajectory.

Location

London, UK

Why this role is remarkable

• Founding engineer status as the first dedicated hire, providing immense influence over the product roadmap, architectural choices, and company culture from day one.
• Deep integration of agentic AI technology to solve real-world inefficiencies for lawyers, moving beyond simple wrappers into complex, multi-step workflow automation.
• High-autonomy environment with no project managers; you will work directly with legal experts to identify friction points and ship solutions immediately.

What you will do

• Design and implement complex, multi-step asynchronous workflows and background jobs to automate legal review and contract analysis processes.
• Architect and maintain a robust AWS environment, ensuring the platform remains secure, scalable, and reliable as user adoption grows.
• Build and manage production-grade integrations using webhooks to connect the platform seamlessly with clients' existing enterprise toolsets.

The ideal candidate

• Extensive experience building and shipping production software using React, Node.js, and TypeScript with a focus on end-to-end system ownership.
• Proven ability to design multi-step workflows and handle complex third-party integrations and webhooks in a production-scale environment.
• Strong product intuition and a builder mentality, capable of making high-level product decisions without formal specifications or dedicated product management.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-software-engineer-at-agentic-ai-legal-tech-startup-00562430-3260-40ef-9669-0dc7bf04a8b9?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_00562430-3260-40ef-9669-0dc7bf04a8b9
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

£100k-£130k + Equity

Company Description

Early-stage AI gaming startup building real-time voice copilots

Job Description

As the second engineer at this London-based startup, you will build a real-time AI copilot that watches gameplay and interacts via natural voice. You will solve complex challenges in computer vision, low-latency voice pipelines, and LLM orchestration to provide gamers with expert-level knowledge without ever needing to alt-tab.

Location

London, UK

Why this role is remarkable

• Join as the second engineer working directly with the founding technical lead to define the core architecture of a category-defining AI product.
• Build at the bleeding edge of AI, integrating multi-modal models, real-time computer vision, and low-latency voice interaction for a highly engaged gaming audience.
• Influence every layer of the product and engineering culture in a fast-moving, early-stage environment where your decisions directly shape the company's trajectory.

What you will do

• Architect and scale a knowledge engine that extracts deep game mechanics and strategies from diverse, unstructured data sources using RAG and vector search.
• Develop real-time visual understanding systems to recognize game states and player needs in milliseconds using OCR and scene understanding.
• Implement high-performance voice interaction pipelines using WebRTC and STT/TTS to ensure natural, zero-latency conversational assistance during intense gameplay.

The ideal candidate

• Senior-level expertise in TypeScript, Node.js, and React with a proven track record of shipping full-stack features from schema design to UI.
• Deep hands-on experience building with LLMs, including multi-agent orchestration, prompt engineering, and managing context assembly under strict latency constraints.
• A dedicated gamer with deep domain knowledge of complex RPGs or competitive titles who understands the specific information needs of players mid-session.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/software-engineer-100k-130k-equity-at-early-stage-ai-gaming-startup-8975f181-898a-45ed-aba4-d696805a2442?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_8975f181-898a-45ed-aba4-d696805a2442
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Platform Engineer

Salary

Not Disclosed

Company Description

YC-backed Series A startup building an AI-native operating system for the £100B+ financial advice market

Job Description

You will design and own the core infrastructure powering a compliance and workflow engine trusted by 600+ firms. As a backend-focused engineer, you will build the reliable data pipelines, LLM infrastructure, and third-party integrations necessary to automate 70% of financial advisers' administrative workload, ensuring system correctness and auditability at scale.

Location

London, UK

Why this role is remarkable

• Join an elite engineering team with roots at high-growth unicorns like Cred, Postman, Gojek, and Slice.
• Work at the cutting edge of fintech and AI, building the foundational systems for a cashflow-positive startup with a path to 50x revenue growth.
• Direct ownership over critical financial infrastructure where correctness and reliability are paramount, rather than just building surface-level features.

What you will do

• Design and maintain scalable backend services using Go and TypeScript as the bedrock of the adviser-facing platform.
• Manage and scale AI infrastructure, including LLM API integrations and proprietary compliance rule engines.
• Build robust, fault-tolerant connectors for third-party financial platforms and back-office systems to serve as a secure system of record.

The ideal candidate

• Has 3+ years of experience building production-grade backend systems, specifically within fintech, payments, or regulated environments.
• Demonstrates strong hands-on proficiency in Go and/or TypeScript alongside cloud infrastructure expertise (AWS preferred).
• Possesses a deep understanding of distributed systems and event-driven architecture with an obsession for data integrity and system reliability.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/platform-engineer-at-yc-backed-series-a-fintech-building-ai-native-infrastructur-b72b8696-979d-42dc-b951-4f16d2658d32?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_b72b8696-979d-42dc-b951-4f16d2658d32
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Full-Stack Engineer

Salary

Not Disclosed

Company Description

Pre-seed fintech building the financial operating system for the stablecoin era

Job Description

Join a high-growth fintech as the founding technical leader building the future of cross-border commerce. You will own the technical architecture for a platform integrating Stellar/USDC rails with an AI-powered Agentic CFO layer. This is a high-ownership role driving product execution from early design partners to global scale.

Location

London, UK

Why this role is remarkable

• Significant founding-level equity (1–5%) and the chance to shape the engineering culture from the ground up as the most important hire of 2026.
• Lead a product with 25+ signed design partners, founded by an industry veteran who previously scaled a major European crypto card issuer.
• Build at the cutting edge of finance, combining programmable stablecoin infrastructure with autonomous AI agents to automate treasury and cross-border payments.

What you will do

• Architect and build core treasury infrastructure including multi-currency wallets, stablecoin on/off ramps, and yield optimization protocols.
• Develop the Agentic CFO layer featuring LLM-powered financial intelligence, autonomous action pipelines, and semantic caching.
• Lead the end-to-end execution of a merchant dashboard using React/TypeScript and Node.js/Python to simplify complex global financial operations.

The ideal candidate

• 5+ years of full-stack experience with production ownership of React/TypeScript and Node.js or Python backend systems.
• Proven track record shipping AI/LLM-powered products including agentic workflows, RAG pipelines, or LLM infrastructure.
• Previous experience as an early engineer or CTO at a startup with a strong bias for shipping in fast-paced, high-ownership environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-full-stack-engineer-at-pre-seed-fintech-building-stablecoin-infrastructur-3f16f5a4-3323-4d3c-ac88-4570954cf93d?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3f16f5a4-3323-4d3c-ac88-4570954cf93d
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Partner

Salary

Not Disclosed

Company Description

$15M Series A AI fintech building the operating system for financial advisers (YC S24)

Job Description

You will own and scale the most critical enterprise relationships for the UK’s market leader in AI-powered financial planning. Managing the full sales cycle from prospecting to close, you will partner with national advice networks and wealth management firms to automate compliance and operations, helping democratize financial advice for millions.

Location

London, UK

Why this role is remarkable

• Join a YC S24 breakout backed by $15M in Series A funding from top-tier investors including Singular, Shapers, and Y Combinator.
• Drive growth for the UK market leader already used by 600+ advisory firms and 2,000+ advisers to cut administrative costs by up to 90%.
• High-impact, high-autonomy role where you shape the enterprise partnership function and earn meaningful equity in a category-defining AI platform.

What you will do

• Execute the full enterprise sales cycle with national advice networks, PE-backed consolidators, and large-scale wealth management firms.
• Lead strategic product demos and commercial presentations for C-suite executives and compliance leads to secure long-term partnerships.
• Travel across the UK to represent the company at industry events and build deep, face-to-face relationships with senior industry stakeholders.

The ideal candidate

• 4-8+ years of B2B SaaS enterprise sales experience with a proven track record of managing complex, multi-stakeholder deals.
• Deep understanding of the UK IFA or wealth management landscape, including familiarity with pricing strategy and regulated industry compliance.
• Highly autonomous self-starter who excels in early-stage environments and maintains rigorous pipeline discipline and forecasting accuracy.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/partner-at-15m-series-a-ai-fintech-yc-s24-building-the-os-for-financial-advice-0652b352-5580-4581-82c8-1ed09e3da074?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_0652b352-5580-4581-82c8-1ed09e3da074
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Backend Engineer

Salary

Not Disclosed

Company Description

London-based voice AI startup building real-time interpretation infrastructure

Job Description

As the second backend engineer, you will work directly with the technical founder to build the production-grade infrastructure powering real-time voice interpretation. You will own the core architecture from scratch, designing a unified API platform that preserves tone and intent across multiple languages, ensuring high concurrency and system reliability at scale.

Location

London, UK

Why this role is remarkable

• Direct impact as the second backend hire, working alongside the technical founder to design and build core infrastructure from the ground up rather than maintaining legacy systems.
• Tackle one of the hardest problems in voice AI: real-time interpretation that preserves tone and intent, moving beyond robotic word-for-word translation.
• Join a technical founding team with a working product already featuring multiple modes (translate, share, connect, meet) ready for production-grade scaling.

What you will do

• Architect and maintain a unified AI API platform to package internal capabilities for high-scale external use cases.
• Design and implement critical backend systems for billing, usage metering, and complex real-time voice room infrastructure.
• Build and optimize high-concurrency data pipelines and cloud infrastructure on Azure, incorporating automated scaling and load balancing.

The ideal candidate

• 4-8 years of experience building and scaling production-grade backend systems with a high degree of autonomy and technical ownership.
• Strong proficiency in Python and solid experience with distributed systems, cloud infrastructure (specifically Azure), and database design.
• Experience with real-time systems and high-concurrency design, with the ability to build monitoring and analytics dashboards from scratch.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/backend-engineer-at-london-based-voice-ai-startup-e60e2257-6cef-43d8-b6b3-185b3cff2d08?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_e60e2257-6cef-43d8-b6b3-185b3cff2d08
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Product Engineer

Salary

£110k-£145k + Equity

Company Description

Venture-backed AI startup with $8.5M seed funding building agentic systems for global freight forwarding

Job Description

Join an elite team automating complex, exception-heavy workflows in logistics. As a founding engineer, you will own the end-to-end development of AI-driven products that convert chaotic unstructured data into automated workflows. Working directly with founders, you’ll shape the architecture and iterate rapidly to solve mission-critical problems for global freight giants.

Location

London, UK

Why this role is remarkable

• Rare founding-team opportunity at a high-growth startup seeing 40% month-over-month traction with enterprise customers like XPO and Zencargo.
• Direct impact on a massive global industry by building autonomous AI agents that replace manual email and WhatsApp coordination with intelligent automation.
• Generous founding equity package valued at $150k-$250k alongside a top-tier base salary and a high-agency, low-meeting culture.

What you will do

• Prototype and ship full-stack features using React, TypeScript, and Python, moving from idea to production deployment at high velocity.
• Design and optimize scalable APIs and cloud architectures using Temporal for orchestration and PostgreSQL to support sophisticated AI agents.
• Work directly with customers to understand real-world logistics bottlenecks and translate those insights into intuitive, performant UI/UX solutions.

The ideal candidate

• 4-8 years of experience building production-grade systems at high-growth tech companies, with strong proficiency in Python and modern React.
• Proven track record of shipping AI/ML features, specifically working with LLM orchestration, autonomous agents, or OpenAI/Anthropic integrations.
• Exceptional product intuition and high agency; you are a self-driven builder who prioritizes user experience and first-principles thinking over technical over-engineering.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-product-engineer-110k-145k-equity-at-8-5m-seed-funded-ai-logistics-star-54bda639-ad52-409f-970f-d3e8efb1d88c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_54bda639-ad52-409f-970f-d3e8efb1d88c
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Product Engineer (Backend)

Salary

£95,000 - £125,000 + Equity

Company Description

$116M Series B AI-native CRM backed by GV, Redpoint, and Balderton

Job Description

Join a high-growth startup reinventing the CRM for the AI era. As a Senior Product Engineer, you will architect systems processing 250,000+ events per minute using Node.js and TypeScript. Working under a VP of Engineering who led 600+ engineers at Google, you will own features end-to-end to serve 5,000+ paying customers.

Location

London, UK (Remote-friendly)

Why this role is remarkable

• Exceptional engineering leadership under a former Google VP/Snyk SVP, fostering a culture of high craft and minimal process.
• Massive technical scale involving real-time data ingestion and AI-native workflows for over 5,000 ambitious GTM teams.
• Strong financial backing with $116M raised from top-tier investors including GV (Google Ventures), Redpoint, and Point Nine.

What you will do

• Lead end-to-end projects solving complex customer problems by architecting high-performance systems on Google Cloud Platform.
• Design and implement robust REST API contracts for internal and external consumers to support a flexible, data-rich ecosystem.
• Re-architect existing backend systems to meet the scaling demands of a rapidly growing global user base.

The ideal candidate

• Deep expertise in Node.js and TypeScript with a track record of building scalable, data-intensive cloud-native applications.
• Strong product intuition with the ability to collaborate directly with customers and stakeholders across Product and Design.
• Proactive problem-solver who thrives in a fast-paced environment and holds an exceptionally high bar for code quality.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-product-engineer-95k-125k-equity-at-116m-series-b-ai-native-crm-startup-3c503731-7e35-448b-b73f-b8cc0af8c3c7?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3c503731-7e35-448b-b73f-b8cc0af8c3c7
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Go-To-Market Associate

Salary

£40,000 - £60,000 + Equity

Company Description

$2.7M Blackbird-backed AI-native system for financial advisers

Job Description

Join a high-growth AI startup revolutionizing financial advice by automating administrative workflows. Working directly with the Co-CEO, you will own the end-to-end UK customer journey, delivering high-volume demos and driving conversion during a period of 45% month-on-month growth. This generalist role is perfect for ambitious candidates with financial services experience and future founder aspirations.

Location

London, UK

Why this role is remarkable

• Backed by Blackbird (early Canva investors) with a fresh $2.7M seed round and 45% month-on-month growth traction.
• Work directly with a 7x New Zealand cycling champion turned founder in a high-agency environment where you define the GTM playbook.
• Immediate impact on an industry-leading product that advisers describe as the best software they have ever used for financial advice.

What you will do

• Deliver high-volume, compelling product demonstrations to convert inbound leads into paying customers by tailoring the AI's value to specific workflows.
• Own the full onboarding lifecycle, removing friction to ensure users reach "first value" quickly and maintain high retention rates.
• Run cross-functional experiments across operations, product, and marketing to identify and scale new growth channels and customer advocacy programs.

The ideal candidate

• 1-3 years of experience in financial advice, wealth management, or paraplanning with a deep understanding of adviser workflows.
• High-energy generalist with a "spark of brilliance," such as competitive sports achievements or previous entrepreneurial ventures with real traction.
• Active AI power user who leverages modern technology to amplify output and thrives in a fast-paced, in-person Farringdon office environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/go-to-market-associate-40-000-60-000-equity-at-2-7m-blackbird-backed-ai-startup-88f95396-f2c4-4a7d-9b7e-c57a7d7933dc?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_88f95396-f2c4-4a7d-9b7e-c57a7d7933dc
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Engineer

Salary

Not Disclosed

Company Description

DCVC-backed artificial biology startup building frontier AI for biochemical networks, founded by the creator of DeepMind's AlphaFold project.

Job Description

You will lead the technical evolution of a proprietary biochemistry search and discovery platform, transitioning it from an internal tool to a production-ready external product. As a high-agency generalist, you will architect cloud infrastructure, design greenfield database systems for ML training, and build production-grade APIs that enable revolutionary research in pharma and energy.

Location

Cambridge, USA or London, UK

Why this role is remarkable

• Exceptional pedigree: Work directly with a team from DeepMind, CERN, MIT, and Google, led by the founder of the landmark AlphaFold project.
• High-impact ownership: Inherit a functional stack with total freedom to redesign infrastructure and shape engineering practices for a high-growth AI-meets-biology startup.
• Massive scale: Build systems that integrate complex data from global biochemistry databases like UniProt and KEGG to power novel discovery in synthesis and compute.

What you will do

• Evolve the core ML inference service into a production-ready product, managing everything from API enhancements and observability to security hardening and deployment.
• Design and implement a robust database architecture to integrate structured biochemistry data with unstructured experimental results for ML training pipelines.
• Manage multi-account AWS cloud infrastructure using Terraform, overseeing the migration of legacy GCP systems and automating CI/CD workflows.

The ideal candidate

• 5+ years of software engineering experience with a proven track record of owning complex technical systems and production services end-to-end.
• Deep expertise in Python and the ML infrastructure ecosystem, including experience with model serving, GPU compute, and data pipeline tooling.
• Advanced proficiency with cloud-native technologies, specifically AWS, Terraform, Docker container orchestration, and relational/vector similarity search databases.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/staff-engineer-at-dcvc-backed-ai-biology-startup-founded-by-alphafold-lead-9c6c2f5d-fa87-4dd4-8f9e-0fab6222d88b?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_9c6c2f5d-fa87-4dd4-8f9e-0fab6222d88b
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Founding Research Scientist at stealth physical AI startup

Job Title

Founding Research Scientist

Salary

Not Disclosed

Company Description

Stealth physical AI startup

Job Description

You will lead the research function at a venture-backed startup solving the data bottleneck in robotics. By training end-to-end manipulation policies and designing evaluation frameworks, you will bridge the gap between high-quality real-world interaction data and model performance. This hands-on role offers significant equity and the chance to build a research stack from zero.

Location

San Francisco, USA

Why this role is remarkable

• Rare opportunity to join as a founding member with minority co-founder level equity and full ownership of the research agenda.
• Work at the critical intersection of robotics and data infrastructure, solving the primary bottleneck preventing the scaling of physical AI.
• Collaborate directly with a technical founding team in a high-autonomy environment where you set the research direction and validation strategy.

What you will do

• Train and evaluate real-world robot manipulation policies using imitation learning, diffusion policies, or vision-language-action models.
• Build the end-to-end data-to-policy validation pipeline to ensure high-quality tactile and interaction data translates to performance.
• Work alongside hardware and software teams to define the research roadmap and iterate on differentiated data collection methods.

The ideal candidate

• Proven track record training manipulation policies on physical hardware, focusing on dexterous manipulation or tactile sensing.
• PhD from a top-tier robotics laboratory or extensive research experience at a leading organization specializing in physical foundation models.
• Strong desire to work in an early-stage, hands-on individual contributor role with the ambition to build a research function from scratch.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Senior Software Engineer ($160K – $250K + Equity) at Series B Multimodal AI Lab

Job Title

Senior Software Engineer (CVI)

Salary

$160K – $250K + Equity

Company Description

Series B backed multimodal AI lab

Job Description

You will lead the technical development of a real-time conversational video interface, bridging the gap between human and machine communication. This hands-on role involves optimizing multimodal models for low latency, multilingual support, and natural interaction. You will collaborate with research teams to integrate state-of-the-art simulations into production-ready software for global enterprise applications.

Location

San Francisco, USA

Why this role is remarkable

• Work at the forefront of human-computer interaction by building AI humans that see, hear, and respond in real-time.
• Join a well-funded Series B startup backed by top-tier VCs that is defining the conversational video interface category.
• Experience a high-impact environment where you can shape architecture and ship features that reach millions of users across multiple languages.

What you will do

• Own the delivery of core features including voice localization, sentence endpointing, and naturalness optimization for real-time video.
• Partner with research teams to integrate sophisticated multimodal models into a reliable, high-uptime production codebase.
• Optimize system performance by centralizing inter-process communication and shaving latency off utterance turn-taking for smoother conversations.

The ideal candidate

• Expert in Python with extensive experience in asynchronous frameworks, multiprocessing, and low-level system concepts.
• Proven track record of shipping polished, reliable software in ambiguous, fast-paced environments where the state-of-the-art evolves rapidly.
• Strong communicator who can simplify complex technical concepts and has experience with LLM frameworks or WebRTC video streaming.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Frontend Engineer

Salary

Not Disclosed

Company Description

$25M Series A FCA-regulated fintech building an FX copilot for fast-growing businesses

Job Description

You will build polished React applications that simplify complex currency hedging for finance teams. Working directly with the CTO, you'll own the frontend architecture, design trade flows, and create data visualizations for over 200 companies. This role combines deep engineering with a strong product sensibility to make sophisticated financial infrastructure feel effortless.

Location

London, UK

Why this role is remarkable

• Work at the intersection of high-growth fintech and elite product craft, shipping features used by industry leaders like Paddle, Tines, and ManyChat.
• Join a small, high-output team of ~10 people where you have direct influence over product direction and frontend architecture from day one.
• Leverage a modern tech stack and cutting-edge AI development tools (Cursor, Claude Code) to move faster while maintaining world-class engineering standards.

What you will do

• Build and ship production-ready React and TypeScript features across the core web application, including dashboards and trade workflows.
• Partner with the founding team to prototype and iterate on complex UI/UX challenges, ensuring high visual hierarchy and interaction quality.
• Take full ownership of the frontend lifecycle, from identifying rough edges in the user journey to deploying robust, stateful interfaces.

The ideal candidate

• 0-3 years of professional experience with a portfolio of complex side projects, open-source contributions, or freelance work that proves deep technical expertise.
• Advanced proficiency in React and TypeScript with a refined eye for design details like typography, spacing, and intuitive loading states.
• Based in London and excited to collaborate in-person 5 days a week within a high-velocity, Series A startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/frontend-engineer-at-25m-series-a-london-fintech-865aabf3-b894-4d4c-a2a4-7688ba6c8d08?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_865aabf3-b894-4d4c-a2a4-7688ba6c8d08
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$160k-$250k + Equity

Company Description

$7M seed-stage AI-native browser automation startup backed by Amplify Partners

Job Description

You will build a deterministic computer-use AI platform that replaces the $38B manual services layer in intelligent automation. By eliminating the need for offshore developers to maintain brittle RPA scripts, you'll enable ops teams to ship self-healing, reliable workflows across complex, API-less enterprise portals using plain language and recording.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-caliber founding team from Merge, Stytch, and Coinbase as one of the first five employees with meaningful equity.
• Backed by $7M from Amplify Partners, investors in category-defining companies like LangChain, Modal, and Hightouch.
• Tackle deep systems engineering challenges in anti-bot detection, 2FA credential management, and adaptive UI self-healing for high-stakes industries.

What you will do

• Architect and scale the core platform using Python and React to handle complex auth flows and deterministic execution.
• Collaborate directly with founders and customers to shape product direction without the friction of traditional PM layers.
• Ship production-grade features daily that solve critical workflow bottlenecks for healthcare, logistics, and finance enterprises.

The ideal candidate

• Proven experience building robust backend systems at fast-paced, early-stage B2B startups with a strong bias for action.
• Product-minded engineer who asks sharp business questions and iterates rapidly based on direct customer feedback and needs.
• Expertise in navigating complex web environments, including anti-bot mitigation, CAPTCHAs, and non-standard authentication protocols.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-engineer-160k-250k-equity-at-7m-seed-ai-automation-startup-07d98e51-8c2d-4328-aec2-3ce5cfdb99f5?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_07d98e51-8c2d-4328-aec2-3ce5cfdb99f5
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Systems Engineering

Salary

£70k - £130k + 0.1% - 1% Equity

Company Description

Project A-backed AI startup rebuilding the web with £3.5M in seed funding

Job Description

You will a confidential company the core infrastructure for an AI agent platform that replaces static websites with personalized, real-time experiences. Reporting directly to the CPTO, you will own deep backend domains including context engines, retrieval pipelines, and scaling OLAP systems to support an entirely new category of autonomous web interactions.

Location

London, UK

Why this role is remarkable

• Work at the frontier of AI where your systems work directly enables a vision of "living, breathing" web experiences that learn and optimize themselves in real-time.
• Join an elite, fast-moving team of ~10 people backed by Project A with £3.5M in funding and a direct line of impact to the founding team.
• Total ownership of complex problem domains in a 5-day-a-week in-office environment designed for high-density collaboration and rapid product iteration.

What you will do

• Design and implement context engine and retrieval pipelines for autonomous AI agents using TypeScript and Temporal.io.
• Scale the data layer and OLAP infrastructure to handle real-time personalization and high-concurrency traffic on GCP.
• Collaborate with the CPTO to define the technical roadmap and systems architecture for a service-oriented backend using Postgres and Redis.

The ideal candidate

• Strong backend fundamentals in TypeScript and experience with distributed systems, workflow orchestration (Temporal/Cadence), or complex data pipelines.
• An obsessive craftsman who cares about maintainable code and "the beautiful piece of wood on the back" while maintaining a fast startup pace.
• High drive to master new domains like RAG, LLM evals, or reinforcement learning to build higher levels of system autonomy.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/systems-engineering-70k-130k-equity-at-project-a-backed-ai-startup-61bad18e-4c7a-49fe-8e28-4c739b663f05?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_61bad18e-4c7a-49fe-8e28-4c739b663f05
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior HubSpot Consultant

Salary

Up to £60,000

Company Description

Founder-led HubSpot Platinum Partner specializing in high-complexity CRM architecture and third-party integrations for SaaS, fintech, and e-commerce clients.

Job Description

As the agency's first hire, you will own complex HubSpot implementations end-to-end. You will design data architectures, lead technical migrations from legacy systems, and build robust integrations with billing and operations tools. This high-impact role offers a direct path to senior leadership and potential partnership as you help scale the delivery team.

Location

London, UK or Remote

Why this role is remarkable

• Founding Hire Opportunity: As the first full-time hire, you will work directly with a founder who has 15+ years of tech experience to build and lead the agency's delivery function.
• Path to Equity: This isn't just a job; it’s a career trajectory with a clear roadmap toward a senior leadership position and potential equity or partnership as the business grows.
• Technical Autonomy: You will have the freedom to design systems correctly, avoiding "patchwork" fixes in favor of high-quality data modeling and sophisticated middleware automation.

What you will do

• Lead end-to-end CRM migrations from platforms like Salesforce and Pipedrive into HubSpot for diverse clients across SaaS and finance.
• Architect complex data models and manage cross-hub integrations with third-party billing, support, and marketing tools to ensure system synchronization.
• Serve as the primary technical consultant for clients, translating complex architectural decisions into actionable business insights for non-technical stakeholders.

The ideal candidate

• 3-5+ years of hands-on HubSpot experience with a proven track record of delivering complex, multi-hub CRM implementations and data migrations.
• Deep technical proficiency with data architecture, associations, and automation tools like Zapier or Make, preferably with HubSpot API or webhook knowledge.
• Strong client-facing communication skills with the ability to manage multiple projects simultaneously in a fast-paced agency or consulting environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-hubspot-consultant-up-to-60-000-at-hubspot-platinum-partner-agency-b579ad8c-dd56-4503-8ac7-f0f1ea3c99d9?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_b579ad8c-dd56-4503-8ac7-f0f1ea3c99d9
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer

Salary

$140k-$210k + Equity

Company Description

$29M Series A fintech startup backed by Thrive Capital and Figma CEO Dylan Field

Job Description

You will build the financial infrastructure for the American backbone—farmers and ranchers. As a full-stack engineer, you'll deliver elegant features using TypeScript, React, and React Native to replace legacy paperwork with modern banking and accounting tools. Join a mission-driven team where engineering decisions directly impact climate resilience and generational business success.

Location

San Francisco, USA

Why this role is remarkable

• Impact-focused work at the intersection of climate, agriculture, and finance, building tools for a massive but underserved sector of the economy.
• Backed by tier-one investors including Thrive Capital, Homebrew, and BoxGroup, with a leadership team from Scale AI and Google.
• AI-forward engineering culture where you have a dedicated budget for the latest dev tools and autonomy to shape technical architecture from day one.

What you will do

• Own the end-to-end delivery of performant product experiences across a modern tech stack featuring Next.js, React Native, and GCP.
• Collaborate directly with customers through discovery calls to translate real-world agricultural challenges into intuitive digital financial tools.
• Design and execute critical improvements to server infrastructure, database layers, and CI/CD pipelines to support rapid expansion.

The ideal candidate

• Proven experience shipping production-grade web or mobile applications using TypeScript and React in a high-growth environment.
• Strong product intuition and a desire to untangle complex problems like bookkeeping, invoicing, and capital distribution for non-technical users.
• Motivated by ownership and proactive resourcefulness, with an interest in sustainable agriculture or the real-world impact of fintech solutions.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/software-engineer-140k-210k-equity-at-29m-series-a-fintech-for-american-industry-3e74db00-467e-4004-adb6-fd4b62abde3f?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3e74db00-467e-4004-adb6-fd4b62abde3f
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Engagement Manager

Salary

Not Disclosed

Company Description

$90M funded YC-backed AI startup transforming financial workflows for bulge bracket banks and PE firms

Job Description

You will act as the strategic bridge between global financial institutions and cutting-edge AI technology. By deploying automated workflows for M&A, due diligence, and market mapping, you will help top-tier analysts reclaim hundreds of hours. This role offers the rare chance to scale an elite enterprise AI platform from its Series A foundation.

Location

London, UK; New York, USA; Hong Kong; Singapore

Why this role is remarkable

• Join one of the fastest-growing enterprise AI platforms globally, having recently closed a $75M Series A—one of the largest fintech rounds in history.
• Work alongside an elite advisory board featuring former CEOs of HSBC, UBS, and Julius Baer, and a team hailing from top-tier firms like Apollo and Bain.
• High-impact ownership where you define the AI transformation roadmap for the world's most prestigious investment banks and private equity firms.

What you will do

• Lead high-stakes client engagements, serving as the primary point of contact for senior stakeholders to ensure successful AI product adoption and satisfaction.
• Design and build bespoke AI workflows, templates, and demos that automate complex financial processes like document review and comparable analysis.
• Partner with engineering and product teams to translate customer feedback into platform features, driving the strategic evolution of the AI engine.

The ideal candidate

• Must have 3-7 years of experience in investment banking (M&A), private equity, or tier 1 strategy consulting with proven deal execution expertise.
• Holds a strong academic record from a tier 1 institution and possesses the interpersonal skills to navigate high-pressure global financial environments.
• Demonstrates a relentless work ethic and the adaptability to thrive in a high-intensity startup where priorities and timelines shift rapidly.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/engagement-manager-at-90m-funded-yc-backed-ai-startup-ec965671-0d26-479b-9ebf-5f812d23bcfe?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ec965671-0d26-479b-9ebf-5f812d23bcfe
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

EA to CEO & Founder

Salary

Not Disclosed

Company Description

$22M Series A AI-powered creator economy platform with $100M+ ARR

Job Description

Partner directly with the Co-Founder/CEO of a hyper-growth scale-up growing at 450% YoY. In this high-trust role, you will balance executive support with strategic project leadership, acting as a force multiplier across the business. You will drive critical initiatives, manage key partnerships, and ensure operational excellence during a pivotal expansion phase.

Location

London, UK

Why this role is remarkable

• Rare opportunity to operate at the center of strategy and execution for a global leader in the creator economy with triple-digit annual growth.
• High-impact visibility, working directly with an ambitious founder to drive strategic projects that represent 70% of your daily focus.
• Join a top-tier scale-up that recently closed a $22M Series A and has already surpassed the massive milestone of $100M+ in annual recurring revenue.

What you will do

• Lead and execute high-priority strategic projects and partnerships on behalf of the CEO to drive cross-functional business momentum.
• Manage complex executive operations, including the project board, data analysis for decision support, and the CEO's external personal brand.
• Optimize the CEO's time through high-judgment calendar management, inbox prioritization, and seamless end-to-end logistics for global operations.

The ideal candidate

• 5 to 8 years of experience supporting C-suite leaders or Founders within a high-growth tech startup or scale-up environment.
• Data-literate professional with a proven track record of using AI tools and automation to bring structure to chaotic, fast-moving environments.
• High-ownership executor who is comfortable being direct, protecting priorities, and pushing back to ensure the leadership team remains focused.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/ea-to-ceo-and-founder-at-22m-series-a-ai-powered-creator-platform-abf0a784-4e27-4406-bb8c-8968312eb4b4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_abf0a784-4e27-4406-bb8c-8968312eb4b4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Product Engineer

Salary

$200k-$220k + Equity

Company Description

$4.5M seed-stage consumer payments startup backed by Notation Capital and Asylum Ventures

Job Description

As the third engineer at this SF-based fintech startup, you will build the next generation of shared financial accounts. Working directly with a YC-alum founder, you'll bridge the gap between P2P apps and business banking to create a high-fidelity co-ownership money experience for roommates, families, and communities.

Location

San Francisco, USA

Why this role is remarkable

• Join an elite three-person engineering team alongside veterans from Block/Cash App and Snap, shaping the codebase from its earliest stages.
• Work on a product with high-conviction market fit, a growing waitlist of thousands, and a resilient vision backed by lessons from the founder’s previous $100k/day payment venture.
• High-impact ownership with meaningful equity (0.8% - 1.0%) in a company solving the complex, everyday problem of shared finances for millions of consumers.

What you will do

• Lead full-stack feature development (60% frontend / 40% backend) using React, TypeScript, and Go to deliver a seamless consumer payment experience.
• Collaborate closely with the founder and designers to architect high-quality, trustworthy financial controls like role-based permissions and real-time spending limits.
• Leverage AI-driven development tools to accelerate shipping cycles while maintaining the precision required for processing real-time Visa debit transactions.

The ideal candidate

• Professional experience shipping polished consumer products with a deep mastery of React and TypeScript and a keen eye for UI/UX details.
• Comfortable working across the stack with an interest in mastering Go and experience managing infrastructure via AWS, PostgreSQL, and Docker.
• Proven track record as a founding or early employee who thrives in high-autonomy environments and can be in the San Francisco office three days per week.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-product-engineer-200k-220k-equity-at-4-5m-seed-stage-consumer-payments--44b873e0-2243-480f-8fb9-1d965feda55d?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_44b873e0-2243-480f-8fb9-1d965feda55d
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to [speak to Jack](https://www.jackandjill.ai/jobs/security-engineer-110k-200k-equity-at-100m-series-b-ai-a confidential company-response-platfor-6a2d414b-e92b-449a-8d65-82997eba4c44/apply?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6a2d414b-e92b-449a-8d65-82997eba4c44).

Job Title

Security Engineer

Salary

£110k-£200k + Equity

Company Description

$100M Series B London AI a confidential company response platform backed by Index Ventures and Insight Partners

Job Description

Join a high-growth scale-up as their first Security Engineer, owning application security across a 60+ person engineering team. You will partner with product squads to build secure systems from the ground up for a platform used by Netflix, Airbnb, and Block. This is a foundational role with massive ownership and technical influence.

Location

London, UK

Why this role is remarkable

• Foundational hire opportunity: As the first security-specific engineer, you will shape the entire security culture and function from day one without legacy debt.
• Elite backing and traction: Backed by Index Ventures and Insight Partners with $100M raised, serving 1,500+ top-tier tech companies globally.
• Product-driven engineering: Work in a high-trust, ex-Monzo leadership environment that values shipping daily and uses a modern Go and TypeScript stack.

What you will do

• Lead application security by partnering with product teams to design and review features with security built in from the initial architecture phase.
• Identify and remediate vulnerabilities using both white-box code reviews and black-box penetration testing across applications, APIs, and GCP infrastructure.
• Build and implement pragmatic security tooling and automation that strengthens defenses without compromising the engineering team's high shipping velocity.

The ideal candidate

• Senior or Staff-level experience with a deep track record in vulnerability research, penetration testing, and secure code review for modern web stacks.
• Hands-on proficiency in Go, TypeScript, or React, with the ability to influence design and implementation decisions directly alongside product engineers.
• Pragmatic approach to risk management within cloud environments (GCP), prioritizing high-impact security improvements while maintaining a culture of rapid delivery.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the [job listing](https://www.jackandjill.ai/jobs/security-engineer-110k-200k-equity-at-100m-series-b-ai-a confidential company-response-platfor-6a2d414b-e92b-449a-8d65-82997eba4c44?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6a2d414b-e92b-449a-8d65-82997eba4c44).
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/security-engineer-110k-200k-equity-at-100m-series-b-ai-a confidential company-response-platfor-6a2d414b-e92b-449a-8d65-82997eba4c44/apply?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6a2d414b-e92b-449a-8d65-82997eba4c44
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Full Stack Software Engineer

Salary

Not Disclosed

Company Description

London-based AI startup accelerating the SDLC through agent-native development

Job Description

Join a high-performance team building the next generation of software development tools. Moving beyond simple coding agents, you will design and build an agent-native platform that integrates traditional agile processes with AI. You will have a deep impact on product architecture, culture, and quality as the company transitions out of private beta.

Location

London, UK

Why this role is remarkable

• Shape the future of the SDLC by building agent-native systems that enable traditional companies to achieve 10x development velocity.
• Join an elite, high-performance culture that values deep intellectual curiosity, bottoms-up innovation, and rapid execution in an ambiguous environment.
• Gain massive ownership at a critical growth phase as the company exits private beta, directly influencing the technical architecture and product direction.

What you will do

• Design, conceptualize, and build product features from the ground up using Python, React, Next.js, and Temporal.
• Develop and optimize agentic workflows, implementing evals and leveraging LLM tools like Langgraph and Claude CLI to increase velocity.
• Collaborate directly with the founding team and early adopters to validate features and iterate rapidly based on real-world feedback.

The ideal candidate

• Has 2+ years of professional software engineering experience with a strong degree in CS, AI, Math, or Physics.
• Possesses a philosophical belief in AI-native development and proficiency in building LLM-based applications including RAG and prompt engineering.
• Demonstrates a strong product mindset with the ability to lead cross-disciplinary teams and a desire to create beautiful user experiences.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/software-engineer-at-ai-native-sdlc-automation-startup-12da74e3-0488-4e0b-8296-43b4f174f288?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_12da74e3-0488-4e0b-8296-43b4f174f288
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Software Engineer

Salary

Not Disclosed

Company Description

Pre-seed airport operations AI startup backed by Entrepreneur First (EF)

Job Description

As the first engineering hire, you will build the technical core of a real-time orchestration platform for airport ground operations. You will design systems that reconcile noisy live signals into a canonical operational state, automating complex resource allocation and conflict resolution to prevent the cascading delays that cost the aviation industry billions annually.

Location

London, UK

Why this role is remarkable

• Solve high-stakes systems problems like real-time state machines and dependency-aware recomputation for live airport environments rather than building generic CRUD apps.
• Join a founding team with deep operational expertise from Formula 1, the FIA, and Lufthansa, backed by the EF Fall 2025 cohort.
• Gain massive employee #1 ownership, working directly with founders to move from architecture to implementation while seeing your code drive physical operations on the airport ramp.

What you will do

• Design and implement real-time data processing pipelines and conflict detection state machines using TypeScript, Python, and Convex.
• Build deterministic allocation and assignment logic that continuously recomputes the best use of staff and equipment under volatile real-world constraints.
• Develop causal graph orchestration systems to handle delay propagation and multi-tenant operational logic across complex task windows.

The ideal candidate

• Has 2-3 years of experience in high-growth startups building correctness-sensitive backend systems, event-driven architectures, or workflow engines.
• Demonstrates a strong grasp of algorithms and invariants, with the ability to own the full lifecycle of complex systems from architecture to production debugging.
• Is a prolific builder with a portfolio of side projects or open-source contributions who thrives in ambiguous, founder-level ownership environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-software-engineer-at-pre-seed-airport-operations-ai-startup-db40b6b0-7a59-4135-9d11-2d8187122e3c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_db40b6b0-7a59-4135-9d11-2d8187122e3c
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

£60k-£90k + Equity

Company Description

Blackbird-backed AI-native fintech startup transforming financial advisory systems

Job Description

As the Founding Engineer, you will establish the foundational software architecture for an AI-native system of record replacing legacy 1990s software. You’ll own the entire codebase, building end-to-end features across web and mobile platforms. This high-impact role shifts financial advisers from manual tasks to AI-powered reviewers, directly influencing the product roadmap.

Location

London, UK

Why this role is remarkable

• Join a pre-seed powerhouse with $2.7M raised from Blackbird (the largest investor in Canva) and experience explosive 45% month-over-month adoption.
• Unparalleled architectural freedom and influence as a founding team member, working directly with founders to shape the engineering culture and technical vision.
• Dual growth pathways allowing you to choose between a Principal Engineer or Engineering Leadership track with direct mentorship from experienced operators.

What you will do

• Architect and build core product features end-to-end using React Native, .NET Core, and Supabase, with a heavy emphasis on AI-native workflows.
• Develop rich AI-powered interfaces including chat, tool-calling flows, and real-time streaming responses using LLMs like Anthropic and OpenAI.
• Manage the full mobile and web lifecycle, from building native audio recording modules to owning the CI/CD pipeline and release deployments.

The ideal candidate

• Exceptional full-stack or backend coding talent with a proven track record of shipping production-ready applications in fast-paced startup environments.
• Power user of modern AI development tools for architecting and debugging, with a deep curiosity for optimizing LLM performance and UX.
• Detail-oriented builder who thrives in ambiguity, prioritizes in-person collaboration in London, and possesses the business acumen to translate user needs into code.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-engineer-60k-90k-equity-at-blackbird-backed-ai-native-fintech-startup-c3b7a6ea-c052-488e-8ba3-618c4d0d6a2a?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_c3b7a6ea-c052-488e-8ba3-618c4d0d6a2a
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Fullstack Engineer - AI & Back Office

Salary

£110,000 - £130,000

Company Description

Series C sports betting platform with $75M in equity funding backed by The Raine Group

Job Description

You will join a high-impact, greenfield team building a next-generation internal platform from the ground up. As a player-manager, you will maintain a modern Python/Vue/AWS stack while leading AI experimentation. Your work will directly automate engineering workflows and empower non-technical teams with LLM-powered tools, shaping how the entire organization operates daily.

Location

Remote, UK

Why this role is remarkable

• Lead a brand new, greenfield function with full autonomy to shape the internal architecture and define the company's long-term AI strategy.
• Join a well-funded Series C scale-up (~150 people) that has raised over $75M from prestigious investors like The Raine Group.
• High-velocity engineering culture that ships to production daily, utilizing proprietary technology rather than off-the-shelf solutions to redefine the betting experience.

What you will do

• Design, build, and maintain the backend systems and Vue-based frontend for the company’s new internal back office platform.
• Lead and mentor a focused team of three engineers (two fullstack, one backend) while remaining 70-80% hands-on as a contributor.
• Identify and productionize AI-powered improvements, from smarter code review tooling for engineers to automated LLM assistants for operational teams.

The ideal candidate

• 7+ years of professional backend experience, with strong proficiency in Python and modern cloud infrastructure like AWS, Docker, and Terraform.
• Proven experience building internal platforms or admin tooling and a genuine track record of integrating LLM APIs into production environments.
• Demonstrated ability to lead or mentor engineers in a technical capacity while effectively communicating complex solutions to non-technical stakeholders.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-fullstack-engineer-110k-130k-at-75m-series-c-sports-betting-platform-693dd27e-6c1a-4cd1-ac5c-cdd06513b9a0?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_693dd27e-6c1a-4cd1-ac5c-cdd06513b9a0
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Product Engineer [Backend]

Salary

£80k-£100k + Equity

Company Description

LocalGlobe-backed AI marketing startup transforming B2B engagement

Job Description

Join a high-growth London startup revolutionizing B2B marketing through generative AI campaigns. As a core backend-leaning engineer, you will own critical product areas end-to-end without PMs. You'll build scalable systems using Golang and AWS to help global customers like Stripe and Canva hyper-personalize buyer experiences and navigate the cookieless future.

Location

London, UK

Why this role is remarkable

• Exceptional pedigree: Backed by LocalGlobe and founders from Incident.io, Tessian, and Maze, working with elite customers like Stripe, Canva, and Datadog.
• High-impact autonomy: We operate without PMs; you will own your entire roadmap, making strategic product decisions and technical architecture choices directly impacting growth.
• Elite technical culture: Join a core team of six from Thought Machine and Kraken, shipping constantly in a collaborative environment with Shoreditch office perks including a private gym.

What you will do

• Design and implement secure, high-concurrency backend architectures using Golang, Kafka, and Postgres to support global-scale marketing campaigns.
• Lead full-cycle product initiatives by talking directly to customers, shaping the roadmap, and defining REST API contracts for internal and public use.
• Advocate for and implement innovative cloud techniques within AWS and GCP environments to improve system performance and engineering excellence.

The ideal candidate

• Deep expertise in backend fundamentals using a typed language such as Golang, Java, Rust, or C# with a focus on system trade-offs.
• Proven experience designing modern cloud architectures and message-driven systems on AWS or GCP, ensuring high security and performance standards.
• Product-minded engineer who thrives with autonomy, possesses excellent technical documentation skills, and enjoys solving complex problems in an early-stage environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-product-engineer-80k-100k-equity-at-localglobe-backed-ai-marketing-startu-a183096e-3265-448d-b58b-18a1e5b27d22?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_a183096e-3265-448d-b58b-18a1e5b27d22
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Rust Engineer

Salary

Not Disclosed

Company Description

$25M Series A institutional crypto infrastructure platform backed by Point Nine and BlueYard

Job Description

You will architect the financial backbone for institutional crypto adoption, building high-performance systems that process over 1 billion monthly transactions. Working with Rust and PostgreSQL, you'll solve complex data reconciliation challenges for global leaders like Circle and Uniswap, transforming fragmented blockchain data into audit-ready financial infrastructure for the enterprise era.

Location

London, UK

Why this role is remarkable

• Impact massive scale by building systems powering back-office operations for 450+ institutional clients, including the Government of El Salvador.
• Work at the frontier of fintech with a top-tier engineering team and investors like 1kx and Tim Draper during a period of rapid regulatory tailwinds.
• Tackle genuinely novel data architecture problems involving TB+ volumes where there are no established patterns or CRUD-app shortcuts.

What you will do

• Design and optimize high-performance backend services in Rust to ingest and reconcile data from thousands of blockchain protocols and exchange APIs.
• Architect and tune PostgreSQL databases at scale to handle millions of daily transactions with absolute precision and auditability.
• Collaborate with a 30-person elite engineering team to ship US GAAP-compliant financial features that manage billions of dollars in on-chain assets.

The ideal candidate

• Has 5+ years of software engineering experience with deep, production-level expertise in Rust as a primary backend language.
• Possesses extensive experience in relational database architecture, specifically query tuning and performance optimization for massive PostgreSQL datasets.
• Exhibits a strong computer science foundation and the ability to navigate ambiguous technical landscapes where architectural decisions have significant real-world financial impact.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-rust-engineer-at-25m-series-a-institutional-crypto-infrastructure-platfor-f5118104-804b-404f-a896-f8f0183234e5?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_f5118104-804b-404f-a896-f8f0183234e5
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding AI Engineer

Salary

£80k-£120k + Equity

Company Description

Susa Ventures-backed aerospace AI startup

Job Description

As the Founding AI Engineer, you will revolutionize aircraft maintenance and manufacturing by building production AI systems from the ground up. You will integrate LLMs and computer vision into critical workflows for global aviation leaders, replacing slow, manual processes with high-performance software that ensures safety and speeds up aerospace innovation worldwide.

Location

London, UK

Why this role is remarkable

• Work at the cutting edge of aerospace and AI, modernizing a critical industry alongside a team that has launched satellites and airlines.
• Backed by Susa Ventures (1-in-10 unicorn hit rate) and early investors in Anduril and Stoke Space, with a recent valuation doubling.
• High-leverage founding role with the autonomy to shape product direction and use a modern stack including OpenAI, Anthropic, and FastAPI.

What you will do

• Design and deploy production AI systems using Python and LLMs integrated directly into real-world aviation maintenance workflows.
• Own the end-to-end engineering lifecycle from building robust data pipelines to developing user-facing interfaces and MLOps infrastructure.
• Collaborate with an expert advisory board of former OEM leaders and airworthiness heads to solve complex, safety-critical engineering challenges.

The ideal candidate

• Has 2+ years of software experience with a proven track record of shipping production AI systems using Python, PyTorch, and LLMs.
• Possesses strong backend skills and is comfortable wearing multiple hats in a fast-paced, high-ambiguity startup environment.
• Thrives on high ownership and is energized by building clean, usable products that solve real-world problems for global aviation customers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-ai-engineer-80k-120k-equity-at-susa-ventures-backed-aerospace-ai-startu-041e2db5-955a-4508-abe1-63627707a817?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_041e2db5-955a-4508-abe1-63627707a817
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Deployment Strategist

Salary

£120k

Company Description

Agentic AI platform founded by Rhodes Scholars and ex-Bain consultants transforming enterprise data intelligence

Job Description

You will embed with global enterprises to own the end-to-end deployment of an agentic AI platform that cleanses and standardizes fragmented spend data in minutes. Balancing C-suite advisory with technical execution, you'll resolve front-line blockers to deliver measurable business outcomes, moving beyond slide decks to drive real-world transformation for household-name clients.

Location

London, UK

Why this role is remarkable

• Work alongside a high-caliber founding team including Rhodes Scholars, ex-Bain consultants, and AI/robotics experts in an elite 9-person environment.
• Direct impact on major business transformations for the world's largest enterprises, using AI to solve problems that previously took months and millions of dollars.
• Full ownership of the client journey from pre-sales and C-suite alignment to technical delivery, with the autonomy to shape the company's early culture.

What you will do

• Manage enterprise-scale data transformation projects with significant autonomy, advising C-level and VP-level stakeholders on strategic objectives.
• Lead the technical deployment of the AI platform, mapping client challenges and resolving complex data architecture blockers to ensure delivery.
• Collaborate with pre-sales teams to demonstrate product value, structure deals, and translate technical requirements into operational success stories.

The ideal candidate

• Minimum 2+ years of experience at a top-tier management consulting firm (MBB or equivalent) with a proven track record of client-facing leadership.
• Strong quantitative foundation with a degree in Computer Science, Mathematics, or Engineering, or professional experience in software engineering or quant-heavy fields.
• Exceptional conceptual thinking and communication skills, with the ability to build trust with executives while deep-diving into messy, fragmented datasets.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/deployment-strategist-120k-at-agentic-ai-platform-founded-by-rhodes-scholars-f3d1f35b-a010-454b-a9e8-68dd571861d5?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_f3d1f35b-a010-454b-a9e8-68dd571861d5
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Deployment Strategist

Salary

Not Disclosed

Company Description

$60M Series C AI infrastructure startup backed by CRV and Y Combinator

Job Description

As the first US-based post-sales hire, you will own the end-to-end deployment and success of a universal data layer for AI across a portfolio of enterprise customers. You will partner with ML engineers and data scientists at world-class companies to drive product adoption, ensure long-term value, and scale the company's US operations.

Location

San Francisco, USA

Why this role is remarkable

• Founding member of the US post-sales team with high autonomy to shape the company's North American scaling strategy and operating playbooks.
• Join a market leader valued at ~$550M that is trusted by giants like Toyota and AXA, working at the frontier of physical AI and robotics.
• Highly visible role reporting directly to the Chief of Staff, offering a clear growth path and frequent international travel to London and Europe.

What you will do

• Lead technical deployments for high-profile AI/ML teams, guiding them from initial onboarding through full-scale production adoption.
• Partner with Sales to identify expansion signals and drive commercial renewals by proving measurable ROI to executive stakeholders.
• Act as a strategic conduit between customers and the Product/Engineering teams to influence the product roadmap based on real-world usage.

The ideal candidate

• 2–8 years of experience in a customer-facing technical role such as Customer Success, Solutions Engineering, or Technical Account Management.
• Proven track record of managing complex software deployments for enterprise-grade B2B SaaS products, ideally within the AI or data infrastructure ecosystem.
• Entrepreneurial mindset with the ability to thrive in an ambiguous, fast-paced environment and build processes from the ground up.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/deployment-strategist-equity-at-60m-series-c-ai-infrastructure-startup-00e74908-64e2-4752-85f1-1ef4853043c6?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_00e74908-64e2-4752-85f1-1ef4853043c6
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to [speak to Jack](https://www.jackandjill.ai/jobs/product-engineer-110k-200k-equity-at-100m-series-b-ai-a confidential company-response-platform-a08131d2-63f5-41fd-b774-4580da4c1fb9/apply?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_a08131d2-63f5-41fd-b774-4580da4c1fb9).

Job Title

Product Engineer

Salary

£110K – £200K + Equity

Company Description

$100M Series B AI a confidential company response platform backed by Index Ventures and Insight Partners

Job Description

Join a high-velocity team transforming how engineering organizations handle reliability. As a Product Engineer, you will own the full lifecycle of features used by companies like Netflix and Airbnb. Moving beyond specs, you will identify critical problems, engage directly with customers, and ship daily to a platform managing over 500,000 incidents.

Location

London, UK

Why this role is remarkable

• Work at a high-growth scale-up founded by ex-Monzo engineers, boasting $100M in funding from premier investors like Index Ventures, Insight Partners, and Point Nine.
• Experience true end-to-end ownership where engineers act as product owners, shipping features that directly improve the lives of tens of thousands of fellow responders.
• Join a culture of pragmatism and craft that rewards high-trajectory builders with top-of-market compensation, meaningful equity, and unique perks like the first Friday of every month off.

What you will do

• Identify and solve high-impact customer problems by engaging directly with users to understand their pain points and shape the product vision.
• Design, implement, and deliver production-ready features using a modern stack including Go, TypeScript, React, and GCP, maintaining a high bar for quality.
• Balance speed and depth by shipping iterative MVPs and managing technical debt pragmatically to restore services faster for 1,500+ global enterprises.

The ideal candidate

• Proven track record of building production-ready applications in Go, Python, Ruby, or React, ideally within a high-growth startup or as a former founder.
• Product-minded engineer who thrives in ambiguity and prefers shipping code that solves real-world problems over following rigid, pre-defined specifications.
• Strong collaborator with a high-trajectory career history who values engineering as a craft and provides actionable feedback to level up the entire team.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the [job listing](https://www.jackandjill.ai/jobs/product-engineer-110k-200k-equity-at-100m-series-b-ai-a confidential company-response-platform-a08131d2-63f5-41fd-b774-4580da4c1fb9?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_a08131d2-63f5-41fd-b774-4580da4c1fb9).
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-engineer-110k-200k-equity-at-100m-series-b-ai-a confidential company-response-platform-a08131d2-63f5-41fd-b774-4580da4c1fb9/apply?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_a08131d2-63f5-41fd-b774-4580da4c1fb9
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Applied Scientist

Salary

Not Disclosed

Company Description

Leading AI film-tech studio revolutionizing global storytelling through multimodal video-to-video translation and generative AI

Job Description

You will bridge the gap between research and production by operationalizing end-to-end multimodal pipelines for state-of-the-art lip sync and audio/video generation. By owning model training, dataset curation, and automated evaluation metrics, you will ensure that cutting-edge research reliably scales into production systems that redefine the future of global cinema and VFX.

Location

London, UK

Why this role is remarkable

• Work at the bleeding edge of AI for the film industry, building systems that enable seamless, high-fidelity actor performances across multiple languages.
• Join a world-class team of scientists and engineers where your work directly impacts the quality of major motion picture productions and global content distribution.
• Influence the entire lifecycle of generative models, moving beyond theoretical research to build robust, automated systems that ship to users at scale.

What you will do

• Develop and scale repeatable audio/video dataset curation pipelines and training workflows for advanced lip sync and multimodal models.
• Design and automate quantitative metrics and qualitative evaluation pipelines to provide rigorous validation of model improvements and performance.
• Partner with cross-functional research and engineering teams to integrate optimized model variants into high-performance production environments.

The ideal candidate

• Holds an MSc or PhD in a related field with deep expertise in PyTorch, OpenCV, and signal processing for audio-visual learning.
• Possesses extensive experience in speech synthesis, 3D computer vision, or multimodal fusion, specifically working with audio-driven face animation.
• Demonstrates a strong product mindset, with the technical proficiency to navigate both complex algorithmic design and large-scale data engineering tasks.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/applied-scientist-at-leading-ai-film-tech-studio-revolutionizing-global-storytel-1a085d56-a634-411e-902e-fc7415eed973?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_1a085d56-a634-411e-902e-fc7415eed973
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Marketer

Salary

$180k-$220k + Equity

Company Description

Uncork and Heavybit-backed cloud financial data platform

Job Description

As the founding Product Marketer, you will build the PMM function from the ground up for a high-growth SaaS platform. You will translate deep domain expertise into compelling narratives for complex enterprise buying committees, sharpening differentiation in a massive $47.5B cloud market and making sales motions repeatable for Fortune 500 clients.

Location

San Francisco, USA

Why this role is remarkable

• Rare founding PMM opportunity to architect the entire positioning and messaging strategy for a company with $7.75M in fresh funding and significant existing revenue.
• Direct partnership with the Co-Founder & CEO, taking full ownership of the function to influence the product roadmap and market-facing identity.
• Exceptional benefits including 100% employer-paid healthcare premiums, early-stage equity, and a culture that values clever, unfiltered, and ego-free collaboration.

What you will do

• Architect persona-specific positioning that aligns cross-functional stakeholders including finance leaders, engineering teams, and procurement partners.
• Transform complex cloud billing data capabilities into crisp, value-driven narratives that resonate with enterprise decision-makers and close million-dollar contracts.
• Enable the sales organization by creating high-impact materials, training programs, and competitive intelligence to succeed in both inbound and expanding outbound channels.

The ideal candidate

• 3-5 years of product marketing experience within B2B enterprise software, specifically proven in complex, multi-stakeholder sales environments.
• Demonstrated track record of leading successful product launches and building GTM processes from the ground up in early-stage startup environments.
• Strategic thinker with a customer-first mindset, ideally with experience marketing to FP&A, FinOps, or engineering stakeholders in the cloud ecosystem.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-marketer-180k-220k-equity-at-uncork-and-heavybit-backed-cloud-financial--0c9d88c4-3432-4766-beb5-b5d638527601?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_0c9d88c4-3432-4766-beb5-b5d638527601
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer (Founding Team)

Salary

£60k-£80k + Equity

Company Description

Cambridge-based agentic AI platform founded by Alexa's former speech lead and the Chair of the UK Government AI Council

Job Description

As the first full-time engineering hire, you will transform a working prototype into a production-grade SaaS for enterprise customers. You will build secure backends for sensitive data and craft intuitive interfaces for complex AI outputs. Working alongside a veteran founding team, you will shape the technical foundation of a platform that scales human insight.

Location

Cambridge, UK

Why this role is remarkable

• Join as the first full-time engineer with significant equity and a clear path to technical leadership as the founding team scales.
• Work with an elite founding team including the CTO who led Alexa's NLU at Amazon and the co-founder of CognitionX.
• Build a platform that uses voice AI and agentic workflows to enhance human expertise rather than replacing it, solving a critical bottleneck in enterprise AI adoption.

What you will do

• Take a functional AI prototype to production-grade, establishing the deployment pipelines, monitoring, and observability required for enterprise reliability.
• Design and own the full-stack UI/UX, creating interfaces that make high-volume AI-generated insights legible and actionable for non-technical users.
• Implement secure data pipelines and architecture to meet rigorous enterprise security standards including GDPR and ISO 27001/42001 compliance.

The ideal candidate

• 3-8 years of experience shipping production web applications, with strong proficiency in React/TypeScript and Python/FastAPI.
• Proven ability to design database structures and manage cloud infrastructure, preferably within the AWS ecosystem.
• A product-focused engineer who has thrived in small startup environments and is comfortable making independent technical decisions across the entire stack.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-engineer-60k-80k-equity-at-cambridge-based-agentic-ai-platform-bf581de9-0c9b-42ef-bffa-a2ed5043d6c3?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_bf581de9-0c9b-42ef-bffa-a2ed5043d6c3
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Founding Customer Success Specialist

Salary

Not Disclosed

Company Description

Seed-stage NYC startup building voice AI for youth sports and enrichment programs

Job Description

As the first Customer Success hire, you will own the end-to-end post-sale journey for youth academies and sports centers. You'll build the CS playbook from scratch, ensuring program owners see immediate ROI from voice AI that automates enrollments. This high-impact role involves onboarding customers, driving retention, and shaping the product roadmap.

Location

New York, USA

Why this role is remarkable

• You will be a true founding team member with meaningful equity and a direct hand in shaping the company's culture and CS strategy from day one.
• Work on a product with real traction that solves a visceral pain point for small business owners by automating complex, multi-channel family enrollment conversations.
• Join an early-stage NYC team where you work directly with the founder and have a front-row seat to every aspect of scaling an AI startup.

What you will do

• Design and execute the onboarding process for new sports academies, training centers, and dance studios to ensure seamless AI integration.
• Act as a strategic partner to small business owners, monitoring performance metrics and providing proactive insights to maximize their enrollment conversion rates.
• Serve as the primary voice of the customer, translating user feedback into actionable product requirements for the engineering and AI teams.

The ideal candidate

• You are a hungry, entrepreneurial operator with experience working at startups that serve SMBs such as fitness studios, childcare centers, or retail.
• You possess a high degree of technical curiosity and use AI tools daily to improve your own productivity and problem-solving capabilities.
• You thrive in high-ambiguity environments and have a track record of "figuring it out," whether through a side project, consulting, or early-stage startup experience.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-customer-success-specialist-at-nyc-based-voice-ai-startup-74762f61-8bb9-469c-a7c7-3679d3727713?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_74762f61-8bb9-469c-a7c7-3679d3727713
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer

Salary

£80k-£130k + Equity

Company Description

Notion Capital-backed defense tech startup building an AI-native OS for military production

Job Description

You will join a high-calibre team building AlliedOS, the connective platform linking frontlines to factories. As a full-stack owner, you will develop a homegrown manufacturing execution system and a defense procurement marketplace. You will ship fast, iterate with real-world military users, and directly shape the product direction of this critical infrastructure.

Location

London, UK or Remote

Why this role is remarkable

• Work on a global mission to strengthen Western democracies by modernizing the defense industrial base with AI-native technology.
• Join a peer-based, non-hierarchical culture founded by a former Royal Marines officer and backed by top-tier investors like 1991 VC and Notion Capital.
• Extreme autonomy and impact as an early hire, with a meaningful equity stake and the ability to prove solutions in weeks rather than years.

What you will do

• Build and maintain end-to-end features across web and mobile using a modern stack including React, TypeScript, and TanStack Start.
• Develop AI-powered features utilizing OpenAI, AI SDK, and Mastra to automate complex defense procurement and production workflows.
• Collaborate directly with commercial and product teams to translate frontline requirements into a high-performance operating system for government contracts.

The ideal candidate

• 5-8 years of full-stack engineering experience with a track record of shipping high-quality products in fast-paced, high-stakes environments.
• Expert-level proficiency in TypeScript and React, with a strong instinct for performance, security, and exceptional user experience.
• Demonstrated ability to self-organize and leverage modern AI development tools like Cursor or Copilot to accelerate delivery and solve complex problems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-engineer-80k-130k-equity-at-notion-capital-backed-defense-tech-startup-55b9cd9d-84a6-4161-992f-22355e7be336?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_55b9cd9d-84a6-4161-992f-22355e7be336
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed AI Engineer

Salary

Not Disclosed

Company Description

Profitable, high-growth London healthtech startup building custom agentic AI systems for clinical providers

Job Description

You will work directly inside clinical settings to solve healthcare's greatest complexity challenges. By building and deploying custom AI agents that automate administrative burdens—from referral management to equipment coordination—you will increase healthcare supply and humanize care. This is a high-agency role where your code directly translates into faster patient treatment.

Location

London, UK

Why this role is remarkable

• Direct impact on a system in crisis: you aren't just building features, you are deploying AI agents that reduce surgical wait times and fix broken patient flows.
• Joining a profitable, rapidly scaling startup targeting 3x growth in the next year while remaining lean and high-agency.
• Unique hybrid model where you work on the front lines in hospitals and clinics, seeing the immediate real-world results of your technical builds.

What you will do

• Conduct deep technical discovery inside healthcare organizations to identify high-value bottlenecks and scope custom AI solutions.
• Design and build production-ready agentic systems using TypeScript, React, and LLMs to automate complex clinical workflows and data structuring.
• Own the full lifecycle of deployments, ensuring long-term stability while turning bespoke client learnings into scalable product capabilities.

The ideal candidate

• Strong proficiency in TypeScript and React with demonstrable experience integrating LLMs and AI into production-grade environments.
• A "breaker and builder" mindset with the social intelligence to navigate complex client environments and ambiguous technical requirements independently.
• Readiness for regular travel to UK and US healthcare sites, combined with a desire to work in a high-intensity, mission-driven office culture.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/forward-deployed-ai-engineer-at-profitable-high-growth-healthtech-startup-ef5df14a-6c44-4767-86d5-c0929a1bbe17?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ef5df14a-6c44-4767-86d5-c0929a1bbe17
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Mobile Software Engineer

Salary

£40k-£45k + Equity

Company Description

Founder-led climate tech startup and the UK's largest reusable packaging provider for the food service industry

Job Description

Join a mission-driven team replacing single-use packaging with IoT and AI technology. You will lead mobile engineering efforts, owning the migration to Kotlin Multiplatform while shipping features that have already prevented 1.6 million pieces of waste. This is a high-impact role working directly with the technical lead to build sustainable infrastructure.

Location

London, UK

Why this role is remarkable

• Work at the forefront of sustainability with a Forbes 30 Under 30 founder on a product that has already scaled to 50+ sites and major enterprise clients like BT and the NHS.
• Gain true ownership of the mobile roadmap, including a complete migration to a unified Kotlin Multiplatform codebase and integration with Apple/Google Wallets.
• Receive meaningful early-stage equity in a fast-growing startup where your engineering decisions directly reduce environmental waste at a massive scale.

What you will do

• Lead the development and maintenance of consumer and client-facing applications, specifically driving the transition from native apps to a unified KMP architecture.
• Build and integrate lightweight web applications with digital wallets to streamline container tracking and improve the user experience for reuse.
• Collaborate across the stack by contributing to PHP/Laravel backend services and occasionally supporting Python-based software on Linux smart bin hardware.

The ideal candidate

• 1-2 years of professional mobile experience with production-level Kotlin skills and a strong foundation in native Android development.
• Practical experience or deep technical enthusiasm for Kotlin Multiplatform (KMP), with the ability to manage iOS frameworks and SwiftUI integrations.
• A versatile, startup-ready mindset comfortable exploring REST APIs, PHP, or Python to solve problems across the entire product ecosystem.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/mobile-software-engineer-40k-45k-equity-at-founder-led-climate-tech-startup-13e6270f-25c0-4eb1-add2-60b8a80654f0?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_13e6270f-25c0-4eb1-add2-60b8a80654f0
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Safety Engineer

Salary

£75K – £85K + Equity

Company Description

Creandum-backed authority for AI medical devices authorized by UK/EU governments

Job Description

You will certify the world’s most innovative medical AI software, ensuring cutting-edge diagnostic and monitoring tools reach patients safely. Joining a specialized multidisciplinary team, you will assess software lifecycle processes for high-impact devices, collaborate with AI experts and clinicians, and help define the standards for safe medical AI implementation globally.

Location

London, UK

Why this role is remarkable

• Work for the only Notified Body in Europe specializing exclusively in software and AI, acting as the pre-eminent authority for government-authorized market access.
• Join a high-growth, ~65-person team backed by Creandum with proven product-market fit, exponentially growing revenue, and a portfolio of industry-leading medical AI customers.
• Directly impact the future of healthcare by enabling life-saving AI diagnostics to reach the market in months rather than years.

What you will do

• Conduct rigorous technical assessments and audits of software lifecycle processes for groundbreaking medical AI devices to ensure regulatory compliance.
• Collaborate across Product, Engineering, and Applied ML functions to improve internal systems and provide regulatory insights for sales and customer experience.
• Translate complex regulatory topics into clear content and guidance, helping customers navigate the evolving landscape of AI standards and data protection.

The ideal candidate

• Holds a degree in Computer Science or a related field with at least four years of experience in healthcare products, auditing, or research.
• Possesses at least two years of experience in the design, development, or testing of medical device software or other safety-critical systems.
• Demonstrates strong programming proficiency and deep knowledge of software verification, validation, and lifecycle standards such as IEC 62304 or IEC 81001-5-1.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/software-safety-engineer-75k-85k-equity-at-creandum-backed-authority-for-ai-medi-ce1caeb3-da20-46bd-aad4-8bb6c07989f8?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ce1caeb3-da20-46bd-aad4-8bb6c07989f8
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Machine Learning Engineer - Life Sciences

Salary

Not Disclosed

Company Description

Acquisition-stage applied AI pioneer and Decision Intelligence leader recognized by Gartner

Job Description

Lead the development and deployment of production-grade AI systems for global pharmaceutical firms and MedTech innovators. You will architect scalable MLOps infrastructure, design end-to-end pipelines, and mentor junior engineers within a PhD-heavy team. This role bridges the gap between sophisticated machine learning research and reliable, real-world healthcare impact at scale.

Location

London, UK

Why this role is remarkable

• Work at the intersection of AI and healthcare, building solutions that accelerate drug discovery and clinical trial optimization for major pharma firms.
• Join a high-caliber team with deep technical rigor, including many PhDs, in a company recently recognized by Gartner as a Visionary in Decision Intelligence.
• Benefit from the resources of a global acquisition while maintaining a high-autonomy engineering culture that values technical depth and responsible AI.

What you will do

• Lead technical scoping and architectural decisions for high-impact ML systems using Python, Docker, and Kubernetes.
• Design and build production-grade infrastructure on cloud platforms like AWS, Azure, or GCP to manage applications at scale.
• Act as a trusted technical advisor to senior stakeholders, translating complex AI concepts into actionable clinical and commercial strategies.

The ideal candidate

• Extensive experience operationalizing machine learning models built with frameworks like TensorFlow or PyTorch within a production environment.
• Deep software engineering foundations with professional proficiency in Python and modern CI/CD workflows for machine learning (MLOps).
• Proven ability to lead projects in fast-paced environments, such as startups or consultancies, with strong communication skills for client-facing engagement.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-machine-learning-engineer-life-sciences-at-acquisition-stage-applied-ai-p-15ec3593-9e03-4851-acbd-3a9bb1e0720f?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_15ec3593-9e03-4851-acbd-3a9bb1e0720f
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Forward Deployed Engineer

Salary

Not Disclosed

Company Description

Thrive Capital and DST Global-backed AI operations startup ($29M raised)

Job Description

You will own the end-to-end customer journey, from conducting technical sales and building rapid POCs to architecting AI-powered workflows for enterprise giants. By integrating autonomous agents into IT, HR, and Finance systems, you’ll ensure customers like Figma and Databricks achieve immediate ROI while shaping the future of enterprise automation.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-growth Series B stage company that has already automated over 50% of support requests for industry leaders like Cursor, Scale AI, and Webflow.
• Work directly with founders and engineering teams to translate complex field learnings into core product features and platform vision.
• Rare opportunity to operate as a technical founder-in-waiting, gaining mastery across multiple domains while receiving meaningful early equity and visa sponsorship.

What you will do

• Map messy enterprise workflows into compelling automation roadmaps and deliver high-stakes demos that move deals forward in a single meeting.
• Architect and ship complex integrations across identity systems, HR platforms, and SaaS tools to ensure scalable, autonomous request resolution.
• Act as a strategic technical advisor for customer leadership, tracking ROI and expanding automation coverage post-launch to drive long-term adoption.

The ideal candidate

• 4+ years of experience in solutions engineering, architecture, or forward deployed roles with genuine technical depth in enterprise system connectivity.
• Proven ability to build working POCs on the fly and navigate technical conversations with stakeholders ranging from IT admins to CIOs.
• A technical operator with a founder mindset who thrives in fast-paced SF startup environments and is obsessed with building incredible product experiences.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/forward-deployed-engineer-at-29m-thrive-capital-backed-ai-operations-startup-9c3e6621-66c7-4753-93c5-ffdb35576689?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_9c3e6621-66c7-4753-93c5-ffdb35576689
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Interim Finance Director

Salary

£110-120k pro rata

Company Description

Accel & General Catalyst-backed health-tech startup building the AI operating system for social care

Job Description

As Interim Finance Director, you will lead the finance function during a pivotal 7-8 month growth phase. Reporting to the CEO, you will manage a team of three while overseeing strategic planning and month-end operations. This role is critical for maintaining best-in-class controls as the company prepares for its Series B funding round.

Location

London, UK

Why this role is remarkable

• Work at the forefront of the care sector's digital transformation with a company recently named the UK’s #1 startup for 2025 by Startups 100.
• Join a high-growth scale-up that has raised over £25m from tier-1 investors like Accel and General Catalyst, providing exposure to elite venture operations.
• Influence both high-level strategy and operational excellence while working directly with the Co-Founder/CEO in a mission-driven, hybrid London environment.

What you will do

• Lead and mentor a high-performing finance team of three, overseeing month-end close, statutory filings, and audit preparation.
• Act as a strategic partner to the leadership team, driving FP&A processes, re-forecasting, and identifying commercial risks and opportunities.
• Ensure the business is "Series B ready" by improving cross-functional finance processes and managing complex administration like EMI schemes.

The ideal candidate

• Proven finance leadership experience within a venture-backed startup or marketplace environment, familiar with SaaS and unit economic metrics.
• Fully qualified accountant (ACA/ACCA/CIMA) comfortable with both hands-on reporting and board-level strategic presentations.
• Highly autonomous professional with experience in statutory compliance and audit processes who thrives in fast-paced, high-growth settings.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/interim-finance-director-110-120k-pro-rata-at-accel-backed-ai-social-care-startu-93506b81-17e9-4585-b905-15f1a88d6473?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_93506b81-17e9-4585-b905-15f1a88d6473
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Deployed Engineer

Salary

$180K – $250K + Equity

Company Description

$8.5M Seed-stage AI startup backed by OpenAI and Blackstone C-suite

Job Description

You will take proprietary agentic AI capabilities into the field, deploying solutions for trillion-dollar asset managers and global developers. As a founding engineer, you own the gap between technical prototypes and production value, building Python-based agents and automation pipelines that accelerate institutional real estate projects from concept to completion.

Location

New York City, USA

Why this role is remarkable

• Rare opportunity to join a high-velocity founding team backed by top-tier venture capital and industry giants like the C-suite from Blackstone and OpenAI.
• Direct impact on the physical world by automating complex workflows for the world’s largest digital infrastructure, energy, and industrial projects.
• Accelerated founder’s track where you gain radical autonomy and 0.3%–0.8% equity at a company redefining a multi-trillion-dollar asset class.

What you will do

• Work directly with institutional real estate stakeholders to translate ambiguous requirements into scoped, production-grade AI agent solutions.
• Design and ship end-to-end agentic workflows using Python, LangGraph, and browser/voice agents to automate complex acquisitions and development cycles.
• Lead live customer pilots and iterate rapidly based on field feedback to convert deployment learnings into reusable product patterns and playbooks.

The ideal candidate

• 2-6 years of professional experience with a proven track record of shipping production AI/ML systems rather than just experimental prototypes.
• High-level technical proficiency in Python and modern AI frameworks, combined with the soft skills to communicate tradeoffs to non-technical C-suite executives.
• A "builder" mindset characterized by extreme ownership, a bias toward velocity, and the ability to thrive in an intense, on-site startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-deployed-engineer-180k-250k-equity-at-8-5m-ai-startup-backed-by-openai--ca7c1f69-5b9d-4a54-977b-ce2cc3236929?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ca7c1f69-5b9d-4a54-977b-ce2cc3236929
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Full Stack Engineer

Salary

Not Disclosed + Equity

Company Description

Fast-growing HealthTech startup building the system of record for nursing excellence and patient safety

Job Description

As the Founding Full Stack Engineer, you will own the entire technical stack for a platform used by the country’s largest health systems. You will design data models for complex hospital structures and build AI-driven workflows that automate evidence-based practice, directly impacting nurse retention and patient outcomes in a massive, underserved market.

Location

San Francisco, USA

Why this role is remarkable

• Rare opportunity to join as a founding engineer and shape both the product architecture and company culture from day one with significant equity.
• Directly solve the burnout crisis in nursing by replacing fragmented spreadsheets with the first unified platform for professional governance and clinical ladders.
• Already deployed across some of the largest health systems in the United States, providing immediate tangible impact on care quality and healthcare workforce development.

What you will do

• Own the architecture and ship production features across four integrated products using TypeScript, React, and Next.js.
• Design complex multi-tenant data models and build AI workflows for evidence organization, document retrieval, and automated exemplar writing.
• Implement critical enterprise infrastructure including SSO/SAML, role-based access controls, and deep HRIS integrations to support large-scale hospital deployments.

The ideal candidate

• Extensive full-stack experience building and scaling workflow-heavy SaaS applications using TypeScript, React, and Next.js in production environments.
• Proven ability to thrive in early-stage startups, comfortable owning end-to-end architecture and implementation without significant oversight or hand-holding.
• Strong architectural thinker capable of designing systems for complex multi-hospital organizational structures while maintaining high engineering standards and rapid ship cycles.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-full-stack-engineer-equity-at-healthtech-startup-building-the-system-of-05786dda-1cbf-4873-a19a-557bc55099e4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_05786dda-1cbf-4873-a19a-557bc55099e4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Product Designer

Salary

£80k-£110k

Company Description

£3M seed-funded EdTech startup reaching 1M teachers globally

Job Description

Join the UK’s fastest-growing EdTech startup as the second designer alongside the CPO. You will own product areas end-to-end, leveraging AI-first workflows to build tools for 50,000 paying subscribers. This is a high-impact role for a builder who wants to redefine how AI shapes the classroom for the next decade.

Location

Remote, UK

Why this role is remarkable

• Exceptional traction with £400k MRR and a user base of nearly 1 million teachers across 100+ countries.
• High-velocity, AI-first culture where you will use Cursor and Claude daily to move from idea to production in hours.
• Founding-level influence, helping set the design patterns, quality bar, and principles for a rapidly scaling engineering team.

What you will do

• Lead product areas from first sketch through to production, effectively acting as the Product Manager for your work.
• Engage with a passionate community of 50,000 paying teachers weekly to validate concepts and ship improvements based on real feedback.
• Prototype and ship directly using AI-assisted tools like Cursor and Claude Code, maintaining high craft without handoff bureaucracy.

The ideal candidate

• 4-7 years of product design experience, with a track record of shipping high-quality work in fast-paced startup environments.
• Proficiency with AI-first workflows and a desire to build interfaces where complex technology feels simple and intuitive for users.
• A bias for action and ownership, with the ability to balance deep design craft with the speed required at a seed-stage startup.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-product-designer-80k-110k-at-3m-seed-funded-edtech-startup-40ffe6ef-da11-4543-afd2-b8e4ce04aeac?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_40ffe6ef-da11-4543-afd2-b8e4ce04aeac
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Backend Software Engineer

Salary

Up to £80k

Company Description

Award-winning UK healthcare AI startup automating NHS patient access

Job Description

You will design and scale the core infrastructure behind an AI voice platform that answers patient calls instantly across 100+ GP practices. By building real-time event-driven systems and integrating with clinical databases like EMIS, you will directly solve the NHS phone queue crisis, improving healthcare access for thousands of patients.

Location

Borehamwood, UK

Why this role is remarkable

• Impact millions of lives by eliminating NHS phone queues with AI voice agents that handle hundreds of concurrent interactions in 200+ languages.
• Join a rapidly scaling, award-winning company (Best Provider of Digital Healthcare Services 2026) that is already deeply embedded in NHS workflows.
• Own the core backend architecture during a high-growth phase, with full visa sponsorship available for UK-based candidates.

What you will do

• Architect and scale real-time backend services using Node.js to manage high-concurrency voice AI workflows and streaming data.
• Build robust integrations with critical NHS clinical systems like EMIS and SystmOne to automate appointment bookings and triage.
• Optimize system performance and latency for telephony-based AI responses to ensure a natural, seamless patient experience.

The ideal candidate

• Has 5+ years of experience building scalable production backend systems specifically with Node.js and distributed architectures.
• Possesses deep knowledge of event-driven systems, WebSockets, or real-time streaming within AWS environments.
• Demonstrates a strong ability to own systems end-to-end and solve complex integration challenges in regulated or high-stakes industries.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/backend-software-engineer-80k-at-award-winning-uk-healthcare-ai-startup-69b0091c-b21e-4163-97b3-b783ed661436?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_69b0091c-b21e-4163-97b3-b783ed661436
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Power System Engineer

Salary

£80k-£100k + Equity

Company Description

£10M Seed-funded synthetic fuel startup backed by Plural, 20VC, and the founders of Stripe

Job Description

You will lead the DC electrical architecture for modular plants turning sunlight and air into carbon-neutral fuel. Owning >1MW scale solar design, you will eliminate entropy in power distribution and integrate high-power arrays directly with electrolysers. This is a hands-on design-and-build role critical to decarbonizing heavy industries like steel and cement.

Location

London, UK

Why this role is remarkable

• Work at the frontier of energy with a team of elite engineers from Oxford and Cambridge who recently deployed the UK's largest synthetic fuel plant.
• Backed by world-class investors including Plural (Taavet Hinrikus), 20VC (Harry Stebbings), and the Collison brothers, with a clear path to scale 1000x in two years.
• True ownership: you aren't just designing on screen; you are at HQ in Bermondsey building the hardware that makes synthetic fuel cheaper than fossil fuels.

What you will do

• Design and optimize >1MW scale solar arrays and DC power distribution systems integrated with thermal reactors and electrolysers.
• Lead the engineering of combiner boxes, cable layouts, and containment systems while modeling configurations for maximum cost efficiency.
• Certify solar arrays and panels to BS & IEC standards, managing the entire lifecycle from circuit diagramming in SolidWorks to physical commissioning.

The ideal candidate

• Has 5+ years of experience in high-power DC system design, specifically working with MW-scale solar arrays or industrial power distribution.
• Proficient in circuit diagramming (ideally SolidWorks Electrical) and expert in certifying hardware to rigorous BS/IEC safety standards.
• Possesses a "builder" mentality—someone who thrives in a fast-paced environment and takes pride in personally wiring and testing their own designs.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-power-system-engineer-80k-100k-equity-at-10m-seed-synthetic-fuel-startup-e9183c81-711f-4fcd-94c3-fca43286a473?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_e9183c81-711f-4fcd-94c3-fca43286a473
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior/Staff Software Engineer

Salary

$120,000 - $200,000

Company Description

Venture-backed mental health tech startup using AI and VLD therapy to transform patient care

Job Description

Join a high-growth telehealth platform that has already transformed 60,000+ lives through AI-driven mental health treatments. Working directly with the CTO, you will architect and scale an AI-first platform, optimizing EHR/EMR systems and real-time data pipelines. This role is a unique opportunity to build life-saving technology at the intersection of healthcare and AI.

Location

Foster City, USA

Why this role is remarkable

• Direct technical influence working alongside the CTO to evolve an AI-first EHR/EMR system and predictive treatment platform.
• Proven market traction with over 60,000 patients served, offering the stability of a scaled platform with the speed of a startup.
• Cutting-edge stack involving LLM training, AI agents, and real-time analytics to personalize mental health care at a global scale.

What you will do

• Architect and scale critical platform infrastructure, including patient portals and proprietary video conferencing tools.
• Design AI-powered solutions that predict treatment efficacy and automate complex clinical workflows for thousands of providers.
• Mentor a growing engineering team while driving best practices in system architecture, security, and full-stack development.

The ideal candidate

• 6-10+ years of progressive full-stack experience with strong proficiency in Node.js, React.js, and cloud-native architecture.
• Proven track record of building and scaling consumer-facing products within high-growth, fast-paced startup environments.
• Systems-level thinker with an end-to-end builder mindset and a genuine passion for applying AI to solve mental health challenges.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-staff-software-engineer-120k-200k-at-venture-backed-ai-mental-health-star-2170670c-6c9f-499f-9ced-f4fb73d5cada?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_2170670c-6c9f-499f-9ced-f4fb73d5cada
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

OpenAI Engineer

Salary

Not Disclosed

Company Description

Forerunner Ventures-backed AI dating startup reimagining human connection

Job Description

As a frontier AI specialist, you will lead the development of real-time voice interaction and multi-modal understanding for an innovative dating platform. You’ll leverage a unique conversational dataset to build empathetic personality models and matchmaking algorithms that replace swiping with deep, AI-guided discovery. This is a high-autonomy role transforming how millions find relationships.

Location

San Francisco, USA

Why this role is remarkable

• Work with an elite engineering team from Uber and Cash App, advised by Tesla’s former Creative Director and Apple’s Head of Special Projects.
• Join a $9.7M seed-stage startup backed by Pear VC and NFX, representing Forerunner Ventures' first-ever investment in the dating category.
• Impact a product with massive traction, where 80% of AI-facilitated introductions in the San Francisco beta currently lead to in-person dates.

What you will do

• Architect and deploy advanced multi-modal AI systems capable of conducting 27-minute nuanced voice conversations with users.
• Design personality modeling frameworks that translate intimate conversational data into highly compatible, real-world romantic introductions.
• Collaborate directly with founders to iterate on matchmaking algorithms that prioritize deep human connection over traditional engagement metrics.

The ideal candidate

• Must have direct experience as a current or former engineer at OpenAI, possessing deep familiarity with frontier model deployment and optimization.
• Demonstrates a high-caliber "Apple-grade" craft in engineering, with the ability to operate autonomously in a small, fast-paced San Francisco studio.
• Passionate about applying large-scale conversational AI to solve the loneliness epidemic and broken dynamics of modern consumer dating apps.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/openai-engineer-at-9-7m-forerunner-backed-ai-dating-startup-a9d4d9ba-5276-4eda-b5cb-b902d45befa6?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_a9d4d9ba-5276-4eda-b5cb-b902d45befa6
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Software Engineer, Product

Salary

$200K – $240K + Equity

Company Description

$9.8M Seed-stage AI SRE startup backed by Zetta Venture Partners and Vertex Ventures US

Job Description

Join a high-velocity team building an autonomous AI agent that investigates production incidents 10X faster than manual debugging. As a Staff-level hire, you will define the product category for AI-native site reliability engineering, translating complex 2AM production pain into seamless autonomous reasoning systems that already achieve 78%+ accuracy at scale.

Location

San Francisco, USA

Why this role is remarkable

• Work directly with founders who previously led engineering at Gojek and created the open-source feature store Feast, within an elite team of repeat observability builders.
• Tackle the next frontier after coding agents: building an autonomous agent capable of high-stakes reasoning across logs, metrics, and distributed system hypotheses.
• Massive impact in a Gartner 2025 Cool Vendor startup where your architectural and product decisions directly shape how engineers interact with production environments.

What you will do

• Design and build the core investigation systems, including data flows and integration points that surface autonomous agent reasoning to human engineers.
• Lead product discovery by joining customer war rooms and observing live debugging sessions to turn user friction into concrete technical features.
• Set high-level engineering standards and make critical technical calls across the Python backend and full-stack integrations to maintain shipping velocity.

The ideal candidate

• Proven experience owning products end-to-end, with a background in shipping complex software and carrying a pager for production systems at scale.
• Deep expertise in the observability stack (Datadog, Grafana, or Prometheus) and a strong instinct for translating fuzzy production problems into concrete solutions.
• AI-native mindset with an active interest in evaluation loops and integrating LLM-based agents into professional engineering workflows.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/staff-software-engineer-product-200k-240k-equity-at-9-8m-seed-stage-ai-sre-start-5043ef48-3c8e-4f03-aa9c-164d3f8e1ef4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_5043ef48-3c8e-4f03-aa9c-164d3f8e1ef4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Product Designer

Salary

$170k-$200k + Equity

Company Description

Series A AI infrastructure startup building knowledge graphs for autonomous agents

Job Description

You will lead the design of a novel infrastructure layer that allows AI agents to reason over complex enterprise data. Working alongside founders from LinkedIn and Visa, you will invent UI patterns for knowledge graphs and semantic models, translating deep technical capabilities into intuitive workflows for insurance, travel, and technology giants.

Location

San Mateo, USA

Why this role is remarkable

• Invent entirely new design patterns for the agentic era, creating the visual language for how users debug AI behavior and explore complex semantic relationships.
• Join an elite senior team founded by the ex-VP of Engineering at Truera and the former Director of Engineering at LinkedIn who built one of the world's largest knowledge graphs.
• High-impact environment with 7-figure enterprise contracts already in place and the opportunity to mentor a founding designer while remaining hands-on with product strategy.

What you will do

• Design end-to-end product experiences for complex data systems, from early-stage discovery and research through to polished, high-fidelity UI.
• Translate abstract technical concepts like entity resolution and real-time inference into clear, usable interfaces for technical users and data engineers.
• Partner directly with engineers and applied scientists to shape feature roadmaps and define visual standards for an entirely new product category.

The ideal candidate

• 5+ years of product design experience specifically within enterprise data, developer tools, or infrastructure-heavy software environments.
• Proven expertise in systems thinking with a portfolio showcasing the ability to bring clarity to data-dense or technically sophisticated workflows.
• Mastery of Figma and a collaborative mindset, comfortable navigating the ambiguity of an early-stage startup while advocating for design excellence.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-product-designer-170k-200k-equity-at-series-a-ai-context-infrastructure-s-615372c2-bf14-4130-8702-8b2dacf52ff0?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_615372c2-bf14-4130-8702-8b2dacf52ff0
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Backend Engineer - Casino UX

Salary

Not Disclosed

Company Description

$75M Series C betting platform backed by The Raine Group, Play Ventures, and Makers Fund

Job Description

Join a high-growth London startup building a next-generation betting and casino platform. As a Senior Backend Engineer, you will design and scale the real-time systems powering our Casino UX. You'll work in an agile, 150-person team that has grown 10x in usage recently, deploying daily using Python, PostgreSQL, and AWS.

Location

Remote, UK

Why this role is remarkable

• Significant technical scale: Join at an inflection point where usage has grown 10x in a year, allowing you to shape the architecture for millions of users.
• High-impact ownership: Work in a small, autonomous squad (backend, frontend, product, design) where you have direct influence over revenue-critical systems and UX.
• Modern engineering culture: Benefit from a tech stack with no legacy code, daily deployments, and a commitment to high standards using Python, Docker, and Terraform.

What you will do

• Design, develop, and maintain robust RESTful APIs and backend services that power the mobile and web casino gaming experience.
• Integrate complex third-party vendor products and manage real-time event processing for high-concurrency workloads during peak traffic.
• Provide technical leadership and mentorship to junior engineers while contributing to high-level architecture and infrastructure decisions using AWS and Terraform.

The ideal candidate

• 5+ years of professional backend engineering experience with a strong proficiency in Python or another major backend language.
• Proven track record of building and maintaining consumer-facing products and scalable RESTful APIs within cloud environments (AWS preferred).
• Solid computer science fundamentals with the ability to own systems end-to-end, from architectural design to deployment and monitoring.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-backend-engineer-at-75m-series-c-london-betting-platform-f8ed4667-60c2-4ffc-932c-de57f154c524?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_f8ed4667-60c2-4ffc-932c-de57f154c524
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Lead AI/Python Engineer

Salary

Not Disclosed + Equity

Company Description

Service-as-a-Software startup automating property management workflows via autonomous AI agents

Job Description

As a Lead AI/Python Engineer, you will architect scalable backend systems for an AI assistant capable of handling 80% of property management administration. You'll bridge the gap between cutting-edge AI research and production deployment, mentoring a high-performing team while shaping the technical strategy for a platform redefining a regulation-driven UK market.

Location

London, UK

Why this role is remarkable

• Rare opportunity to join a fast-scaling AI startup in a high-impact leadership role with a clear path to partnership and significant equity.
• Work at the forefront of AI deployment, moving beyond prototypes to build production-grade systems using state-of-the-art models like Unsloth and vLLM.
• Impact a massive real-world market by automating complex compliance and tenant support workflows for the UK's property management and lettings industry.

What you will do

• Architect and build scalable Python-based backend systems and APIs using FastAPI, Flask, or Django within a microservices environment.
• Drive innovation in AI integration, overseeing the fine-tuning of models and deploying them into production environments using Huggingface and Ollama.
• Mentor junior engineers and foster a high-performing engineering culture while collaborating with Product and Design teams to translate business needs into technical solutions.

The ideal candidate

• 7+ years of hands-on software engineering experience with deep expertise in Python and experience building SaaS or automation platforms.
• Holds a First-class or strong degree in Computer Science or Engineering from a top-tier university, demonstrating exceptional problem-solving skills.
• Proven ability to lead cross-functional engineering teams and a desire to take ownership in a fast-paced, office-based startup environment in Victoria.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/lead-ai-python-engineer-equity-at-ai-driven-property-management-saas-8371a0a0-d5f6-4933-89f2-9e2f47b95e28?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_8371a0a0-d5f6-4933-89f2-9e2f47b95e28
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI/ML Engineer

Salary

$250k–$400k + Equity

Company Description

$10M Seed consumer AI dating startup backed by Forerunner Ventures, NFX, and Pear VC

Job Description

You will own the matchmaking and recommendation systems for a voice-first AI dating app where 80% of introductions lead to real-world dates. As an early engineer, you'll transition these core algorithms from zero to production scale, working alongside a founding team with deep experience from Uber, Cash App, and Faire.

Location

San Francisco, USA

Why this role is remarkable

• High-impact ownership of the core product value where your models directly drive user connection without swiping or endless feeds.
• Exceptional pedigree and backing from top-tier firms like Forerunner, NFX, and Pear VC in a $10M seed round.
• Strong early traction with users spending 27 minutes on average talking to the AI, creating a rich signal for matchmaking.

What you will do

• Design and implement the primary matchmaking and ranking algorithms that power the 1-to-1 daily introduction experience.
• Scale experimental recommendation systems into high-availability production environments to support a rapidly growing user base.
• Lead and grow a small technical team, establishing the engineering culture for the ML and personalization org.

The ideal candidate

• Proven experience building and scaling user-facing recommendation or ranking systems at a consumer-growth company like Tinder, Instagram, or Spotify.
• Early-stage veteran who joined during a 0→1 phase and stayed long enough to see their systems scale in production.
• Direct track record of creating models that impact user-facing product surfaces rather than internal tools, fraud, or ad-tech.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/ai-ml-engineer-250k-400k-equity-at-10m-seed-consumer-ai-dating-startup-20d5cf53-59cb-4db3-ba9c-3059a4d27e80?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_20d5cf53-59cb-4db3-ba9c-3059a4d27e80
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Applied AI Engineer

Salary

$200K – $350K + Equity

Company Description

$29M Thrive Capital-backed startup building autonomous enterprise AI agents

Job Description

You will own the core reasoning loop powering AI agents that autonomously resolve IT, HR, and Ops tasks for companies like Databricks and Figma. This role involves building multi-step planning engines and self-correcting agent architectures that move beyond simple wrappers to achieve 50%+ auto-resolution rates in complex enterprise environments.

Location

San Francisco, USA

Why this role is remarkable

• Work at the absolute frontier of agentic AI with a world-class team from Sentry, Cognition, Discord, and Meta.
• Join a high-growth startup backed by Thrive Capital (OpenAI, Stripe) and DST Global that is actively approaching its Series B.
• Scale a product already used by industry leaders like Cursor and Figma to automate entire categories of back-office work.

What you will do

• Design and optimize the core agent reasoning engine using real usage data to improve reliability and adaptability.
• Build intelligent agents that plan multi-step workflows, call enterprise tools, and self-correct from production failures.
• Develop category-defining product capabilities and evaluation loops that treat agent quality as a first-class engineering problem.

The ideal candidate

• 5+ years of software engineering experience with a deep focus on shipping production-grade agentic systems and LLM architectures.
• Expert-level proficiency in TypeScript and Node.js with the ability to design reliable APIs and debug complex distributed systems.
• Strong product sense and an ownership mindset, comfortable iterating quickly based on SOTA research into new model architectures.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/applied-ai-engineer-200k-350k-equity-at-29m-thrive-capital-backed-ai-agent-start-5052ad0a-8a8c-41cc-abb8-acb3822214ca?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_5052ad0a-8a8c-41cc-abb8-acb3822214ca
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

VP Data & Engineering

Salary

£120,000 - £150,000 + Equity

Company Description

High-growth Cambridge-founded precision medicine startup accelerating personalized treatment development

Job Description

As the senior technical leader reporting to the CEO, you will own the engineering function for a mission-driven healthtech platform. You will lead a high-impact team to build a multi-modal data platform that integrates genomics and clinical data. This player-coach role balances strategic architecture with hands-on delivery to transform complex datasets into life-saving products.

Location

Remote, UK

Why this role is remarkable

• Direct leadership impact as the top engineering executive reporting to the CEO, shaping the technical vision for a 40-person scaling team.
• Work at the cutting edge of precision medicine, building a 360° platform that connects pharma giants with patients to accelerate life-saving clinical trials.
• Exceptional benefits package including 16 weeks full-pay parental leave, a £1,000 learning budget, and biannual team offsites in a flexible, remote-first culture.

What you will do

• Design and evolve a production-grade multi-modal data platform that ingests and standardizes genomics, clinical records, and patient-reported outcomes.
• Hire, coach, and retain a high-performing engineering team across backend, platform, and bioinformatics, fostering a culture of ownership and delivery.
• Partner with the SVP of Product to align technical architecture with commercial goals, ensuring data integrity and observability meet regulatory standards.

The ideal candidate

• Proven experience leading engineering teams in fast-paced startup environments with a strong background in building and operating production-grade data pipelines.
• Technical expertise in designing systems for sensitive data (PII/PHI) with a deep understanding of data governance, lineage, and secure-by-default architecture.
• A strategic "player-coach" who is comfortable navigating ambiguity and can dive into code reviews or architectural challenges alongside the team when necessary.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/vp-data-and-engineering-120-000-150-000-equity-at-precision-medicine-healthtech--6eaf3396-1f8d-4dcb-b931-278bab9ee749?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6eaf3396-1f8d-4dcb-b931-278bab9ee749
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Account Executive

Salary

Not Disclosed

Company Description

£3.3M Seed funded AI-powered global expansion and mobility platform

Job Description

Join as the first US-based Account Executive for a high-growth scale-up redefining global mobility. You will own the full sales cycle for the West Coast, targeting mid-market and enterprise accounts. This foundational role combines strategic market entry with hands-on execution, helping companies navigate cross-border compliance through a category-defining SaaS platform.

Location

San Francisco, USA

Why this role is remarkable

• Be the foundational US hire for a scale-up backed by £3.3M in seed funding, helping establish their North American footprint from the ground up.
• Work directly under a CRO with a proven track record of scaling SaaS organizations from early-stage to major international exits.
• Sell a unique hybrid solution that combines sophisticated AI technology with deep legal expertise to solve high-stakes compliance and expansion problems for Fortune 500s.

What you will do

• Lead the end-to-end sales process from discovery and product demos to complex negotiations with C-level stakeholders in HR, Legal, and Finance.
• Proactively build and manage a high-quality pipeline through outbound outreach and networking in the San Francisco Bay Area and West Coast.
• Partner with leadership to refine US go-to-market strategy, value propositions, and sales playbooks based on real-time market feedback.

The ideal candidate

• Possesses 3–6 years of quota-carrying SaaS sales experience with a documented history of overachieving revenue targets.
• Expert in structured sales methodologies such as MEDDIC or SPICED and experienced in selling to senior HR, Legal, or Finance decision-makers.
• Self-starter with a "greenfield" mentality, comfortable building a territory from scratch and operating with urgency in a fast-paced environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/account-executive-at-3-3m-seed-funded-ai-powered-global-expansion-platform-72128e17-2fcd-4aeb-92d5-8b79f2780bbb?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_72128e17-2fcd-4aeb-92d5-8b79f2780bbb
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Principal Software Engineer

Salary

$190,000-$240,000 + Equity

Company Description

$145M+ Series B embedded finance and card issuance platform backed by Oak HC/FT and Costanoa Ventures

Job Description

Join a high-velocity team founded by former Braintree and PayPal leaders to revolutionize modern card platform management. As a Principal Engineer, you will architect secure, scalable Java-based payment systems, integrate advanced AI-powered development tools into the SDLC, and build critical ledger and wallet functionalities for digital-first organizations globally.

Location

San Francisco, USA

Why this role is remarkable

• Build from the ground up at a flat organization where you have direct exposure to a leadership team comprised of payments industry veterans from PayPal and Lending Club.
• Influence the future of embedded finance with a company that has raised over $145M from top-tier investors like Westcap and Pinegrove Venture Partners.
• Work in a hybrid San Francisco environment that prioritizes face-to-face connection while providing a generous home office stipend and 100% healthcare coverage.

What you will do

• Architect and write high-quality, robustly tested Java code to build secure card issuer processor products and ledger functionalities.
• Lead the adoption of AI-powered development tools like Claude Code to accelerate design, prototyping, and the full software development lifecycle.
• Interface across multiple company domains to document and strengthen a rapidly-scaling platform that solves complex, real-world payment use cases.

The ideal candidate

• 12+ years of experience building production software systems with a mastery of scalable, performant, and maintainable backend engineering.
• Deep proficiency in Java (11+), JPA/ORM mapping, and SQL, with a strong interest in learning and implementing AI agent frameworks.
• Demonstrated passion for shipping customer-centric software and a drive to push the boundaries of engineering productivity using modern AI tools.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/principal-software-engineer-190-000-240-000-equity-at-145m-series-b-embedded-fin-ce59a637-fca9-40f1-91d3-bc02ba46bc7c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ce59a637-fca9-40f1-91d3-bc02ba46bc7c
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Founding Operations ($150k-$200k + Equity) at Well-funded AI healthcare startup

Job Title

Founding Operations

Salary

$150k-$200k + Equity

Company Description

Well-funded AI healthcare startup

Job Description

As a founding team member, you will architect the operational backbone of a high-growth startup utilizing AI to modernize clinical delivery. You will manage complex systems, legal compliance, and people operations while working directly with the CEO. This is a high-impact role for a gritty builder ready to scale a transformative healthcare platform from the ground up.

Location

San Francisco, USA

Why this role is remarkable

• Significant equity stake with a clear trajectory toward a C-suite leadership position as the organization scales.
• High-velocity environment backed by top-tier venture capital firms to solve systemic healthcare challenges.
• True founding-level ownership where your decisions directly shape the company's operational DNA and long-term strategy.

What you will do

• Design and implement scalable internal processes across legal, compliance, and clinical operations to support national expansion.
• Solve multifaceted problems autonomously, ranging from technical system integrations to complex people and partnership management.
• Partner directly with the CEO to execute strategic initiatives and manage the daily operational rhythm of the business.

The ideal candidate

• Proven experience in a fast-growing startup or as a former founder with a track record of building from zero to one.
• Exceptional grit and technical literacy, capable of navigating regulatory hurdles and operational bottlenecks with high speed and precision.
• A proactive, "no task too small" mentality combined with the ability to think several steps ahead of current organizational needs.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Backend Software Engineer

Salary

£100k–£140k + Equity

Company Description

$50M Series B AI-native marketplace backed by a16z and Y Combinator

Job Description

You will join the Growth squad to build the transaction layer for the world’s first digital supply chain for secondhand fashion. Reporting to the CTO (ex-Google, Postmates), you will integrate fine-tuned AI models into a B2B marketplace handling 500,000+ items monthly, turning manual trades into a structured, searchable global inventory layer.

Location

London, UK

Why this role is remarkable

• Work at the intersection of circular economy and proprietary AI, using a fine-tuned model (not a GPT wrapper) to digitize a $350B industry that has never had technology.
• Massive financial backing with ~$50M raised from elite investors including a16z, Y Combinator, and HV Capital, plus advisors from Depop and Shopify.
• High-velocity environment where you will see immediate impact, helping save millions of garments from landfills while the company triples in size year-on-year.

What you will do

• Architect and scale backend systems in Node.js and TypeScript to handle the transition from 500k to millions of unique items per month.
• Own the end-to-end ecommerce journey, including discovery, search, checkout, and complex international payment and credit systems.
• Collaborate with AI and data teams to bridge the gap between classification engines and the core marketplace product experience.

The ideal candidate

• 6–10 years of professional backend experience with strong fundamentals in system design and API architecture at high-growth consumer or marketplace companies.
• Proven product engineering mindset with a history of shipping end-to-end features in fast-paced, ambiguous startup environments.
• AI-forward builder who uses tools like Cursor or Copilot as a force multiplier and has experience deploying AI capabilities at scale.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-backend-software-engineer-100k-140k-equity-at-50m-series-b-ai-native-mark-a3d9e4a2-dacc-400a-a718-972816f596d4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_a3d9e4a2-dacc-400a-a718-972816f596d4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Engineer

Salary

$150,000 - $300,000 + Equity

Company Description

776 and Neo-backed AI startup democratizing software creation with $150k-$300k base salaries.

Job Description

Join a high-caliber team of engineers from Google and OpenAI to build the world's most capable consumer-facing coding agent. You will bridge the gap between human intent and software execution by designing agentic architectures that turn ideas into native mobile applications instantly. This is a chance to redefine software creation for millions.

Location

New York, USA

Why this role is remarkable

• Backed by elite investors including Alexis Ohanian (776), Neo, and leaders from OpenAI and Google.
• Work alongside a world-class team with backgrounds from Bluesky, Docker, Nuro, and Google in a high-intensity NYC office.
• Massive ownership and significant equity (up to 2%) at a seed-stage startup aiming to make coding obsolete for creators.

What you will do

• Design and implement state-of-the-art agentic architectures for a consumer-facing coding AI agent using TypeScript.
• Build robust evaluation frameworks to measure code quality and ensure perfect alignment with user intent.
• Work across the entire AI stack from model architecture to production deployment to ship magical user experiences.

The ideal candidate

• 3+ years of experience building and deploying production-grade AI/ML systems or agentic architectures.
• Deep expertise in TypeScript and a track record of shipping scalable products at breakout startups like Cursor or Replit.
• Product-focused mindset with a passion for developer tools and the ability to define what is technically possible.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/ai-engineer-150k-300k-equity-at-776-and-neo-backed-software-creation-startup-7c1dddbc-3f1c-4455-9f42-0838c259c5ae?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_7c1dddbc-3f1c-4455-9f42-0838c259c5ae
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Senior Backend or Machine Learning Engineer at High-growth generative AI startup

Job Title

Senior Backend or Machine Learning Engineer

Salary

Not Disclosed

Company Description

High-growth generative AI startup

Job Description

You will architect and scale sophisticated, real-time backend systems and machine learning pipelines that power high-fidelity generative media. This role involves tackling low-latency challenges and building robust infrastructure to support seamless AI interactions. You will collaborate with a world-class team to push the boundaries of real-time synthetic media technology at scale.

Location

San Francisco, USA

Why this role is remarkable

• Work at the cutting edge of generative AI and real-time synthetic media technology.
• Join a fast-paced environment backed by top-tier VCs with significant market traction.
• Influence the core architecture of a platform redefining human-digital interaction and communication.

What you will do

• Design and implement high-performance, real-time backend services and distributed systems.
• Optimize machine learning models and pipelines for low-latency production environments.
• Collaborate with cross-functional teams to integrate complex AI features into reliable user experiences.

The ideal candidate

• Extensive experience building and scaling complex, real-time distributed systems in production.
• Strong proficiency in backend engineering or deploying large-scale machine learning models.
• Proven ability to thrive in a fast-moving, high-ambiguity startup environment based in San Francisco.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Platform Engineer

Salary

$170k-$220k + Equity

Company Description

Stealth-mode cloud financial data platform founded by industry experts with a massive audience of 35k+ newsletter subscribers and 5M podcast downloads.

Job Description

You will own the data infrastructure powering a consumption-first platform that helps enterprises manage million-dollar cloud contracts. You'll build scalable pipelines to process hundreds of millions of rows of billing data, modeling complex pricing schemes for providers like AWS. This role offers the chance to define foundational architecture for a $47B market.

Location

San Francisco, USA

Why this role is remarkable

• You will join a small, high-impact team of under 10 people at the ground floor, working directly with founders who are recognized world leaders in cloud cost management.
• The company possesses an "unfair advantage" with direct access to Fortune 100 clients through its massive community presence and existing services firm intelligence loop.
• You will tackle some of the most complex data cardinality problems in tech, building a semantic layer that translates terabytes of technical cloud usage into business intelligence.

What you will do

• Design and maintain high-performance ETL pipelines using Python, ClickHouse, and Airflow to process hundreds of millions of rows per customer monthly.
• Build a sophisticated contract application engine that matches complex usage data to negotiated discount rates and commercial contract terms.
• Architect a multi-provider data model that normalizes disparate billing structures from AWS, GCP, and Azure into a unified, queryable schema.

The ideal candidate

• 3+ years of experience building data systems including warehouses, lakehouses, or OLAPs with a strong command of Python and advanced SQL.
• Proven expertise in columnar databases, Parquet files, and cloud storage (S3) with a focus on high-performance analytical workloads.
• A startup-ready mindset that values autonomy and precision, with the ability to navigate evolving schemas and undocumented provider data quirks.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/platform-engineer-170k-220k-equity-at-stealth-mode-cloud-financial-data-platform-9fbe6b70-46c6-499e-a7a3-99078360d51a?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_9fbe6b70-46c6-499e-a7a3-99078360d51a
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Product Engineer

Salary

£100,000 - £150,000 + Equity

Company Description

Firstminute Capital-backed AI-native legal firm building the future of property law

Job Description

Join a high-growth startup founded by a fintech veteran who scaled his previous venture to £1bn in annual lending. As an early product engineer, you will build agentic AI workflows to disrupt the £2.5 billion UK conveyancing market. You'll own entire product verticals, shipping to production within your first week to solve complex, real-world legal challenges.

Location

London, UK

Why this role is remarkable

• Exceptional traction with $2M+ in annualized revenue within just two months of launch, backed by Firstminute Capital and top-tier legal industry investors.
• Founder pedigree includes building Gen H into a major mortgage lender, raising over £50M in equity and £5bn in debt financing.
• High-impact ownership model where engineers run their own market verticals like a startup within a startup, directly influencing the P&L and product direction.

What you will do

• Design and deploy agentic AI systems and LLM-powered workflows that automate complex legal processes and property transactions.
• Take full ownership of product features from user discovery and hypothesis forming to technical implementation in a TypeScript monorepo.
• Collaborate directly with the founder and users to iterate on a fast-moving roadmap, shipping code to production in an async-first environment.

The ideal candidate

• Significant experience in early-stage startups with a proven track record of shipping high-quality products and making strategic technical decisions.
• Strong expertise in the modern TypeScript stack, including React, tRPC, Tailwind, and event-driven architectures using tools like Inngest.
• A product-first mindset with the ability to navigate ambiguity, focus on user outcomes over tickets, and integrate AI tooling into your daily engineering workflow.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-product-engineer-100k-150k-equity-at-firstminute-capital-backed-ai-native-8c49d886-48ff-4c58-8164-33f7dc494d90?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_8c49d886-48ff-4c58-8164-33f7dc494d90
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Engineer

Salary

Not Disclosed

Company Description

Pre-seed AI-native advertising infrastructure startup serving Fortune 500 clients

Job Description

As a Full-Stack Engineer at this early-stage startup, you will build the first two-sided marketplace connecting AI publishers with brands. You will own product slices end-to-end—from database schema to pixel-perfect UI—shipping features in hours that enable native, non-disruptive ads inside LLM-powered conversations for millions of daily active users.

Location

San Francisco, USA

Why this role is remarkable

• First Mover Advantage: You will be defining an entirely new category of advertising infrastructure specifically designed for the generative AI and LLM era.
• Proven Traction: Join a lean, high-caliber founding team already serving millions of ads daily for global brands like Binance, Warner Music Group, and TripAdvisor.
• Direct Influence: Work alongside a CTO who is an ML PhD dropout and an ex-HubSpot founding engineer, making architectural decisions that shape the company's future.

What you will do

• Build and iterate on advertiser-facing dashboards and publisher integration tools using React, TypeScript, and FastAPI.
• Design and implement high-throughput, low-latency ad-serving APIs that process millions of daily impressions across a distributed infrastructure.
• Manage real-time data pipelines and analytics on ClickHouse and PostgreSQL to provide advertisers with instant performance metrics like CPC and ROAS.

The ideal candidate

• Full-Stack Proficiency: Strong production experience with Python (Django/FastAPI), React, and PostgreSQL; ClickHouse or OLAP database experience is a major plus.
• Startup Veteran: Proven track record of building zero-to-one products in fast-paced environments where you successfully owned features from migration to deployment.
• Technical Depth: Deep understanding of distributed systems, concurrency, and performance optimization for high-traffic APIs and real-time data streaming.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-engineer-at-pre-seed-ai-advertising-infrastructure-startup-ff5457d4-cc7a-4d77-87e3-220cb2eec73a?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ff5457d4-cc7a-4d77-87e3-220cb2eec73a
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

Title:
Founding Engineer (Competitive + Equity) at Well-funded AI platform

Job Title

Founding Engineer

Salary

Competitive + Equity

Company Description

Well-funded AI platform

Job Description

Join a founding team to architect and build cutting-edge ML-powered systems from the ground up, aimed at transforming an established industry. You will ship rapidly to validate product-market fit, establish scalable technical foundations, and own significant product verticals end-to-end. This is a high-impact role for an ambitious engineer seeking a truly unique challenge.

Location

San Francisco, USA

Why this role is remarkable

• Build foundational ML/LLM systems in a greenfield environment with massive impact potential.
• Join a well-funded startup backed by top-tier VCs, poised for significant growth.
• Work directly with leadership, owning end-to-end product definition and delivery.

What you will do

• Design, build, and deploy production-grade ML/LLM systems using Python.
• Rapidly iterate on product features to validate market fit and user value.
• Establish robust and scalable technical architecture for future platform expansion.

The ideal candidate

• 7+ years of experience shipping production ML/LLM systems, primarily in Python.
• Demonstrated founding mentality, high agency, and comfort with ambiguity in 0-to-1 environments.
• Commitment to a full-time, 5-day in-person role in San Francisco.

How to Apply:
To apply for this job speak to Jack, our AI recruiter.
Step 1. Visit our website.
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Chief of Staff

Salary

£80-100k + Equity

Company Description

Deep-tech synthetic fuel startup backed by Plural, 20VC, and the Collison brothers

Job Description

You will be the connective tissue between engineering, manufacturing, and commercial functions, reporting directly to the CEO. As the company prepares for Series B, you will design the organizational architecture and information flows required to scale from 25 to 100+ people, ensuring the culture remains high-velocity while decarbonizing heavy industry.

Location

London, UK

Why this role is remarkable

• Work at the front line of climate tech building modular chemical plants that produce synthetic fuel cheaper than fossil alternatives.
• Join a high-caliber team backed by world-class investors including Plural, 20VC, and the founders of Stripe.
• Enjoy unique perks including a £6,000/year housing subsidy to live near the Bermondsey HQ and significant early-stage equity.

What you will do

• Design and implement the organizational hierarchy, responsibility structures, and seamless data flow across technical and non-technical departments.
• Own and execute high-stakes strategic projects across Series B fundraising, government engagement, and commercial expansion.
• Build rapid up-skilling and onboarding frameworks to eliminate team bottlenecks and maintain culture during rapid headcount growth.

The ideal candidate

• 5-6+ years of professional experience with a proven track record of scaling a startup through the 30-to-100+ person transition.
• Background in hardware engineering or deep tech with a first-principles approach to solving complex, ambiguous operational problems.
• Exceptional ability to bridge the gap between highly technical engineering teams and commercial/financial functions.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/chief-of-staff-80-100k-equity-at-venture-backed-deep-tech-synthetic-fuel-startup-3f33c283-81a5-4c65-8c7a-983f4653cb2e?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3f33c283-81a5-4c65-8c7a-983f4653cb2e
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer (AI-focused)

Salary

Up to £200k + Equity

Company Description

$22M Series A London AI learning startup backed by top-tier investors

Job Description

You will lead the development of production-grade AI systems for a platform serving 1.7 million monthly active users. Reporting to the CEO, you will ship features like automated marking and agentic workflows using TypeScript. This is a high-impact role focused on building the core intelligence behind a rapidly scaling global learning product.

Location

London, UK

Why this role is remarkable

• Join one of the UK’s fastest-growing startups with $5M ARR and a mission to help 1 billion people learn through gamified AI education.
• Work directly with a founding team of Cambridge graduates and former Amazon/Google leaders in a high-autonomy, low-process environment.
• Access a generous compensation package including a salary up to £200k and meaningful equity in a recently funded Series A company.

What you will do

• Design and ship end-to-end AI features in TypeScript, including study material generation, automated marking, and structured content ingestion.
• Architect and iterate on sophisticated agentic prompt workflows and multi-step model pipelines using GPT-4, Claude, and Gemini.
• Build internal evaluation frameworks and tooling to systematically measure and improve AI output quality, correctness, and system reliability.

The ideal candidate

• Offers 7-8+ years of software engineering experience with deep expertise in TypeScript and a proven track record of shipping user-facing products.
• Demonstrates practical experience deploying LLMs in production, including prompt engineering, model evaluation, or an academic background in ML/AI.
• Thrives in early-stage environments, possessing strong product instincts and the ability to solve complex technical challenges with minimal supervision.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-engineer-up-to-200k-equity-at-22m-series-a-ai-learning-startup-5c6844f4-e456-453d-986b-529d44d2106c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_5c6844f4-e456-453d-986b-529d44d2106c
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

£70-100k + Equity

Company Description

Profitable London hospitality OS backed by early investors in Revolut, Wise, and Just Eat

Job Description

You will join as a founding engineer to build the operating system for the hospitality industry, replacing outdated spreadsheets with AI and machine learning. This role offers the chance to ship production code used daily across 400+ locations, moving from messy problems to working software in rapid weekly cycles.

Location

London, UK

Why this role is remarkable

• Exceptional traction with thousands of daily users and proven profitability, backed by the legendary investors behind Revolut and Just Eat.
• True founding-level ownership where you will shape the product vision, tech stack, and company culture while shipping to real users every cycle.
• High-impact environment led by a founder who was a trained physicist and professional chef, ensuring product-market fit is rooted in deep industry expertise.

What you will do

• Design and ship full-stack features using TypeScript and React/Next.js to automate complex restaurant workflows like inventory and finance.
• Implement and scale production workloads on cloud infrastructure and PostgreSQL, managing schema changes without downtime.
• Leverage AI and computer vision to transform manual hospitality operations into streamlined, data-driven digital processes.

The ideal candidate

• At least 4 years of experience shipping and maintaining production-level software with a deep mastery of TypeScript across the full stack.
• Strong proficiency in backend design patterns, relational database architecture, and managing live workloads in the cloud.
• A product-focused builder mindset who thrives in fast-paced environments and prefers shipping small, early, and often over long development cycles.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-engineer-70-100k-equity-at-profitable-hospitality-os-backed-by-revolut--15ab8a99-1ede-428b-bcda-3e0baeadfe30?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_15ab8a99-1ede-428b-bcda-3e0baeadfe30
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He’ll make sure you are considered for this role, and help you find others if you ask.

Title:
Senior Software Engineer at VC-backed B2B software platform

Job Title

Senior Software Engineer

Salary

Not Disclosed

Company Description

VC-backed B2B software platform

Job Description

Join a fast-growing, VC-backed B2B software platform as a Senior Backend Engineer. This greenfield opportunity involves designing and building the core, resilient, scalable, and asynchronous backend infrastructure that will power the next generation of software transactions. You'll be a key voice in technical direction, solving complex distributed systems problems and making a massive impact from day one.

Location

San Francisco, USA

Why this role is remarkable

• Build foundational, greenfield systems from the ground up, making a massive impact.
• Join a fast-growing platform backed by top-tier VCs, disrupting traditional B2B sales.
• Shape the technical foundation that will power the company's growth for the next decade.

What you will do

• Design and build core backend services enabling complex, long-running, and asynchronous operations.
• Create foundational frameworks and libraries for the engineering team to build new product capabilities.
• Partner with leadership to drive key technology and design decisions, establishing best practices.

The ideal candidate

• A systems thinker who designs for resilience, scalability, and observability.
• 5+ years of experience in backend software engineering, including complex distributed systems.
• Deep expertise in a modern backend language (e.g., Python, Go, Java) and event-driven design.

How to Apply:

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Chief of Staff

Salary

$140k – $190k + Equity

Company Description

$5.1M Seed-funded AI startup backed by the founders of Crunchbase, Republic, and VCs like Draper and Liquid2

Job Description

You will serve as the operational and strategic backbone for a company building fully autonomous AI founders. Working directly with the CEO as they exit stealth, you will audit human workflows, implement agentic automation, and manage the strategic systems that allow the team to scale without unnecessary headcount increases.

Location

San Francisco, USA

Why this role is remarkable

• Work at the frontier of autonomous systems with backing from elite investors like Precursor and Matt Schlicht (Moltbook).
• High-leverage opportunity to "agentify" an entire organization, replacing low-leverage human work with cutting-edge AI infrastructure.
• Direct partnership with the founder during a critical transition from R&D stealth to real-world market scaling.

What you will do

• Design and maintain AI-powered automation pipelines across operations, recruiting, and external communications to amplify CEO execution.
• Lead BizOps initiatives including fundraising preparation, market intelligence, and translating product vision into actionable team roadmaps.
• Architect the company's GTM systems to strategically position the brand and attract top-tier talent and early customers.

The ideal candidate

• Deeply AI-native with hands-on experience building applications with Claude Code and running OpenClaw instances.
• 4-7+ years of experience in high-growth environments like consulting, VC-backed startups, or previous founding roles.
• Systems-thinker who instinctively reaches for agentic workflows and automation before suggesting additional human headcount.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/chief-of-staff-140k-190k-equity-at-5-1m-seed-funded-ai-agent-startup-255c177b-abcf-4fac-8d95-aea969e4c77b?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_255c177b-abcf-4fac-8d95-aea969e4c77b
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack / Platform Engineer

Salary

£90k + Equity

Company Description

AI-native company intelligence startup founded by BigChange and Cambridge AI veterans

Job Description

As a foundational hire, you will design and scale an AI-driven SaaS platform for M&A and private equity dealmaking. You will take full ownership of the system, building sophisticated data pipelines, vector search capabilities, and React-based company insights tools. This role offers the autonomy to shape the technical future of an early-stage startup.

Location

Remote, UK

Why this role is remarkable

• High-impact founding role with significant equity and the ability to influence engineering standards and architecture from day one.
• Backed by the founder of BigChange, a £100M+ business, ensuring strong mentorship and established industry pedigree.
• Work at the cutting edge of AI-native search, integrating LLMs via AWS Bedrock and building hybrid search systems for multi-billion-point datasets.

What you will do

• Design and scale Python FastAPI backends and PostgreSQL schemas featuring pgvector for advanced hybrid search.
• Build and maintain a high-performance React and TypeScript frontend to surface real-time company intelligence and insights.
• Own the entire AWS infrastructure using Terraform, managing ECS, Lambda, and Step Functions within a secure multi-tenant architecture.

The ideal candidate

• At least 7 years of engineering experience with a track record of building and operating production SaaS systems independently.
• Advanced proficiency in Python, React/TypeScript, and AWS, with a bias for action in fast-moving, low-structure environments.
• Practical experience or strong interest in AI technologies, specifically vector embeddings, LLM integration, and complex data ingestion pipelines.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-platform-engineer-90k-equity-at-ai-native-company-intelligence-startu-3011c665-4500-4fa1-8f76-ac43abef1ff7?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3011c665-4500-4fa1-8f76-ac43abef1ff7
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Sales Representative ($80K–$120K+ OTE) at well-funded sustainable proptech startup

Job Title

Sales Representative

Salary

$80K–$120K+ OTE

Company Description

Well-funded sustainable proptech startup

Job Description

You will own the full sales cycle for high-ticket residential upgrades, converting inbound interest into committed customers. This high-impact role focuses on driving revenue through consultative selling and pipeline management. You'll lead discovery calls, build trust with homeowners, and close deals in a fast-paced environment that rewards performance with uncapped commission and career growth.

Location

San Leandro, USA

Why this role is remarkable

• Transition from inbound lead generation to full-cycle closing with direct impact on company growth and revenue targets.
• Work within a high-growth proptech sector backed by top-tier investors, focusing on modern, design-forward residential solutions.
• Benefit from a high-performance culture offering uncapped commission structures and clear pathways for professional advancement.

What you will do

• Lead high-quality introductory calls with qualified prospects to identify needs and project scope.
• Manage the entire sales journey from initial outreach through final contract negotiation and closing.
• Maintain a robust pipeline through consistent follow-up and proactive lead management to meet monthly targets.

The ideal candidate

• Proven experience in consultative sales or closing roles with a track record of meeting revenue goals.
• Exceptional communication skills with the ability to build rapport and handle complex objections effectively.
• Highly motivated and results-driven individual who thrives in an accountable, fast-moving startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Sales Associate

Salary

Not Disclosed

Company Description

$20M Series A HR tech platform backed by the founders of Slack, Figma, and Shopify

Job Description

You will join a high-growth London team building the next generation of AI-driven workplace infrastructure. As a Sales Associate, you’ll drive the outbound engine, engaging with ambitious global companies to build a high-quality pipeline. You will act as a consultant, assessing fit and delivering insights to help shape the product roadmap.

Location

London, UK

Why this role is remarkable

• Join a Y Combinator alum backed by tech royalty including Stewart Butterfield (Slack), Tobias Lütke (Shopify), and Dylan Field (Figma).
• Work at the forefront of the "AI moment" in HR tech, selling a highly differentiated agentic AI layer that automates the operational workforce layer.
• Benefit from a culture of high standards and market-leading compensation, including share options with a unique 5-year exercise window.

What you will do

• Identify and engage target accounts through multi-channel outbound strategies including email, phone, and social to build a robust sales pipeline.
• Partner closely with the Product team by distilling customer feedback into actionable insights to solve real-world workplace pain points.
• Conduct initial discovery to assess mutual fit while providing potential customers with a delightful, high-leverage introduction to the platform.

The ideal candidate

• Possesses 1-2 years of experience in a sales or customer-facing role, ideally within a fast-paced B2B SaaS environment.
• Demonstrates exceptional written and verbal communication skills with the ability to empathize with and influence senior stakeholders.
• Exhibits a proactive, self-driven mindset with a natural propensity for problem-solving and a desire to learn in a high-intensity startup.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/sales-associate-at-20m-series-a-hr-tech-platform-backed-by-slack-and-figma-found-1d023faa-658f-42ca-9b03-291b0ac86383?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_1d023faa-658f-42ca-9b03-291b0ac86383
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Title:
Founding Product Engineer ($140k-$210k + Equity) at VC-backed healthtech startup

Job Title

Founding Product Engineer

Salary

$140,000 - $210,000 + Equity

Company Description

VC-backed healthtech startup

Job Description

You will own the patient and clinician experience for an AI-first medical practice, building the actual interfaces where healthcare happens. Working alongside a clinical team, you will design and implement real-time streaming UIs, medical record systems, and clinician dashboards. Your work directly impacts patient outcomes through sophisticated AI-driven diagnosis and treatment tools.

Location

San Francisco, USA

Why this role is remarkable

• Ship code that directly impacts real-world patient health outcomes and clinical care delivery.
• Join a high-performance founding team backed by top-tier VCs with a proven track record.
• Work in-person in San Francisco at the intersection of cutting-edge AI and modern medicine.

What you will do

• Build intuitive patient-facing interfaces for real-time AI-powered medical conversations and history.
• Design and implement efficient clinician dashboards for managing lab results, prescriptions, and care plans.
• Collaborate with the clinical team to create seamless UX for human-in-the-loop AI supervision.

The ideal candidate

• Has 3+ years of experience building production applications with React, TypeScript, and modern styling tools.
• Possesses a strong product sense with experience building consumer-facing health or real-time streaming applications.
• Thrives in a fast-paced environment and is proficient with AI-native development workflows.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer (Browser Automation)

Salary

£80K - £150K + Equity

Company Description

YC S23-backed enterprise browser automation startup serving decacorns and public insurance firms

Job Description

You will build the core infrastructure for an on-device browser agent that automates mission-critical workflows without APIs. Working across the full stack, you will develop a robust automation engine and secure environment used by global enterprises for identity management and security enforcement, defending against state-sponsored threats in real-time.

Location

London, UK

Why this role is remarkable

• Work at the frontier of "browser-using agents" in a high-stakes enterprise environment where your code secures mission-critical corporate bank accounts and SaaS tools.
• Join an elite engineering culture of Cambridge and Imperial alumni with backgrounds at TikTok, operating as a high-caliber team of four with zero bureaucracy.
• Exceptional growth potential with founding-team equity and a pathway to relocate to the San Francisco office with full US visa sponsorship if desired.

What you will do

• Scale and improve the core browser automation engine to handle complex web-based tasks and autonomous user provisioning.
• Develop and secure the on-device desktop environment using Electron to ensure reliable performance across macOS, Windows, and Linux.
• Partner directly with customers at decacorn scale-ups to diagnose challenges, design features, and ship production solutions within single-week cycles.

The ideal candidate

• At least 1 year of production software experience with a proven ability to ship high-quality features from concept to production independently.
• Deep technical curiosity and strong systems-thinking skills required to debug messy web automations and end-to-end encrypted environments.
• Proficiency in TypeScript and Postgres, with a strong desire to master Electron, browser extensions, and tools like Puppeteer or Selenium.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-engineer-80k-150k-equity-at-yc-backed-enterprise-browser-automation-sta-239cabf2-c677-478f-87bb-0f72e4efeebd?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_239cabf2-c677-478f-87bb-0f72e4efeebd
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Software Engineer – Agentic AI Platform

Salary

Not Disclosed

Company Description

Series B enterprise process intelligence leader pioneering the Enterprise Agentic AI platform

Job Description

Join a pioneering team building the next generation of enterprise automation where AI agents fully automate complex business flows. You will develop trustworthy agentic systems that reason and act based on live work telemetry. This role involves scaling orchestration to hundreds of thousands of agents and grounding AI in real-world process execution.

Location

Menlo Park, USA

Why this role is remarkable

• Work at the frontier of Agentic AI, building platforms that go beyond simple chat to execute complex, end-to-end enterprise business flows.
• High-agency culture where you have the autonomy to solve massive technical challenges in orchestration, retrieval, and verifiable AI execution.
• Join a market leader in process intelligence that is uniquely positioned to ground LLMs in live telemetry and real-world ground truth.

What you will do

• Design and build verifiable agentic systems that can be trusted to execute critical business flows for large-scale global enterprises.
• Architect orchestration layers capable of running and managing tens of thousands of autonomous agents simultaneously at scale.
• Develop user-facing command centers and retrieval systems that leverage process insights to enhance the accuracy and efficiency of AI agents.

The ideal candidate

• 3+ years of experience building production-grade full-stack systems with modern infrastructure and a degree in Computer Science.
• Proven track record of shipping AI-powered products or enterprise-grade software with a deep understanding of security and identity management.
• High-growth mindset with previous experience in startups or as a founder, comfortable driving outcomes in a high-autonomy environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/software-engineer-at-series-b-enterprise-agentic-ai-platform-ebdebf4f-bfe8-4a4e-b71d-4db46bf66e9e?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ebdebf4f-bfe8-4a4e-b71d-4db46bf66e9e
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Event Host

Salary

Not Disclosed

Company Description

Tier-1 Silicon Valley VC-backed London Founder Network

Job Description

Join an elite, intimate gathering designed for high-potential founders and technical operators ready to take the leap. Hosted by a leading global venture capital firm, this event connects exceptional technologists from frontier AI labs and high-growth fintechs to foster the next generation of category-defining companies within the London ecosystem.

Location

London, UK

Why this role is remarkable

• Direct access to partners and investment teams from one of the world's most prestigious venture capital firms
• Curated networking with a high-density group of Staff and Principal-level engineers from London's top AI and fintech companies
• Exclusive insight into the "Build" series methodology for launching and scaling venture-backed startups

What you will do

• Engage in high-level strategic discussions regarding market gaps and emerging technology trends with fellow technical leaders
• Showcase your founder DNA and previous building experience to a network of elite investors and potential co-founders
• Participate in an intimate, curated evening designed to bridge the gap between being a top operator and a first-time founder

The ideal candidate

• Currently holds a Staff, Lead, or Principal level role at a frontier AI lab, high-growth fintech, or top-tier dev-tools company
• Possesses a strong desire to start a company or join a founding team within the next 6-12 months
• Demonstrates a track record of building complex products, either as a previous founder or an early-stage founding engineer

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/event-host-at-tier-1-vc-backed-london-founder-network-6d637cf6-6b44-4b49-9399-4c9808f5303e?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6d637cf6-6b44-4b49-9399-4c9808f5303e
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Market Manager

Salary

$105k-$125k + Equity

Company Description

High-growth LA-based logistics and mobility startup building the operational infrastructure for autonomous and rideshare fleets

Job Description

As the Market Manager for San Francisco, you will launch and scale our presence from the ground up. You will own the entire local operation, including driver recruitment, fleet management, and P&L performance. This is a high-impact general management role designed for an entrepreneurial leader ready to build the backbone of future mobility.

Location

San Francisco, USA

Why this role is remarkable

• Lead the launch of a critical market for an official Uber hiring partner founded by early Uber executives and industry veterans.
• Build the essential infrastructure that bridges the gap between today’s rideshare operations and the coming transition to autonomous vehicle fleets.
• Gain true P&L ownership and a path to senior leadership within a rapidly scaling startup that offers meaningful equity and professional growth.

What you will do

• Own all financial and operational metrics for the San Francisco market to ensure maximum revenue and profit optimization.
• Lead end-to-end fleet operations, including vehicle maintenance, driver scheduling, and the recruitment of a high-performing driver base.
• Analyze performance data to identify efficiency gains and execute strategic initiatives that drive local market growth and compliance.

The ideal candidate

• 2+ years of experience in operations management, business consulting, or a related field with a proven track record of building and developing teams.
• Strong analytical mindset with the ability to dive deep into data to solve complex logistics challenges and make fast-paced decisions.
• Entrepreneurial hustle with a "doer" attitude, ideally with experience in high-growth startups or the ridesharing industry (Uber, Lyft).

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/market-manager-105k-125k-equity-at-high-growth-mobility-and-autonomous-fleet-sta-cbb56cf1-2198-4af6-ad8e-71ee489cf6ae?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_cbb56cf1-2198-4af6-ad8e-71ee489cf6ae
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Product Engineer

Salary

£70k-£120k + Equity

Company Description

YC-backed AI-native code review platform with funding from Sequoia India and Vercel execs

Job Description

As our first Founding Product Engineer, you will rethink how engineering teams collaborate in an AI-first world. You will own features end-to-end, from ideation to deployment, building the tools used by high-performance teams at n8n and Granola. This is a high-autonomy role requiring hardcore engineering skills and strong product intuition.

Location

London, UK

Why this role is remarkable

• Join a fast-growing startup with 50% MoM ARR growth and a high-profile seed round led by Sequoia India and Vercel Ventures.
• Work directly with an elite team of four ex-founders, including veterans from Instagram, Tessian, and a previous YC exit.
• Shape the future of software development by building an AI-native replacement for GitHub that already powers the world's best engineering teams.

What you will do

• Lead the end-to-end development of major product features using a modern stack including Next.js, React, and Vercel AI SDK.
• Act as your own Product Manager to translate user needs into technical specifications and elegant, functional software.
• Prototype and iterate rapidly on AI-driven code review workflows to define an entirely new category of developer tools.

The ideal candidate

• Has 5+ years of software development experience with a track record as a self-starter or contributor to major open-source projects.
• Demonstrates mastery of the modern full-stack ecosystem, specifically React, Next.js, Prisma, Supabase, and AI integration tools.
• Possesses a rare blend of hardcore engineering rigor and product taste, obsessing over user outcomes as much as the underlying tech stack.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-product-engineer-70k-120k-equity-at-yc-backed-ai-native-code-review-pla-21c05519-ee5a-422d-94dd-88439585258d?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_21c05519-ee5a-422d-94dd-88439585258d
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Enterprise Account Executive

Salary

£100,000 + £100,000 OTE + Equity

Company Description

Lightspeed & Balderton-backed predictive ML startup for customer growth

Job Description

Own the full sales cycle at a high-growth Series A startup ranked #33 on Sifted’s fastest-growing list. You will sell predictive AI solutions to B2B SaaS leadership, leveraging machine learning to stop churn and unlock expansion revenue. This is a chance to define a GTM motion with ACVs exceeding $100k.

Location

London, UK

Why this role is remarkable

• Sell a mission-critical AI platform founded by the former CTO of AppDynamics, who scaled revenue from $170M to $550M.
• Join a top-tier Series A venture backed by Lightspeed, Balderton Capital, and LocalGlobe in a category-defining market.
• Influence the company’s GTM strategy and product roadmap directly as one of the early enterprise-focused sales hires in London.

What you will do

• Manage the end-to-end sales cycle, from strategic prospecting and discovery to closing $100k+ ACV deals with C-suite stakeholders.
• Partner with SDRs and self-source pipeline to target high-growth B2B SaaS companies, acting as a trusted advisor on revenue predictability.
• Collaborate with product and engineering teams to translate customer feedback into new ML features that drive predictive accuracy.

The ideal candidate

• 3-7 years of B2B SaaS sales experience with a proven track record of consistently hitting or exceeding enterprise-level quotas.
• Demonstrated ability to thrive in ambiguous, early-stage environments where you have built or refined the sales playbook.
• High curiosity and technical aptitude, capable of running sophisticated product demos for CROs and VP Customer Success buyers.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/enterprise-account-executive-100k-100k-ote-equity-at-lightspeed-and-balderton-ba-120704e7-80cf-433a-bbe1-49feeb6b99ac?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_120704e7-80cf-433a-bbe1-49feeb6b99ac
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Back-end Engineer

Salary

Not Disclosed

Company Description

$28M Series A fintech building private market infrastructure backed by Apollo and Motive Partners

Job Description

You will lead the technical design of backend services for AltOS, a mission-critical operating system for the $13 trillion alternative asset industry. Working with Java 21 and Spring Boot, you'll build scalable microservices that integrate global asset managers, institutional investors, and private equity firms into a unified, API-driven ecosystem.

Location

London, UK

Why this role is remarkable

• Work at the intersection of high-finance and scale-up tech with a founding team from KKR, Blackstone, Goldman Sachs, and Revolut.
• Join a company with massive institutional backing; lead investor Apollo Global Management is also an anchor client, providing immediate enterprise-scale traction.
• High-impact ownership environment where you can shape technical direction and progress into squad leadership as the company scales its global infrastructure.

What you will do

• Design and develop robust microservices using Java 21 and Spring Boot within a high-performance AWS and Kubernetes environment.
• Architect and optimize RESTful APIs to facilitate seamless integration between PE firms, distributors, and fund administrators.
• Drive engineering excellence by advocating for clean code, automated testing, and DevOps best practices across the entire backend stack.

The ideal candidate

• 7+ years of professional backend experience with deep expertise in Java, Spring Boot, and building production-grade microservices.
• Proven track record of shipping scalable infrastructure in high-growth fintechs or startups with a strong engineering culture.
• Strong proficiency with SQL (Postgres), cloud-native services (AWS), and container orchestration using Docker and Kubernetes.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-back-end-engineer-at-28m-series-a-fintech-building-private-market-infrast-664b2bd7-339a-4521-97c2-9f72bd6b40c9?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_664b2bd7-339a-4521-97c2-9f72bd6b40c9
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer

Salary

Not Disclosed

Company Description

YC-backed (F25) fintech startup reimagining restaurant and retail operations

Job Description

As a Product Engineer, you will build the unified platform replacing fragmented POS and payment systems. Moving beyond basic implementation, you will own features across Next.js dashboards, React Native terminal software, and AI agents. This is a founding-team role focused on shipping intelligent tools that already serve over 400 businesses.

Location

London, UK

Why this role is remarkable

• Join a high-velocity YC F25 startup that has scaled to 400+ active merchants in its first months of operation.
• Work directly with experienced founders to build "Zavo Agent," an AI-driven system that automates complex back-office tasks and reservations.
• Receive meaningful equity as a founding team member in a well-funded company backed by top-tier global investors.

What you will do

• Build and maintain full-stack features using Next.js, TypeScript, and Python to enhance the core merchant experience.
• Develop and optimize React Native software for smart payment terminals and Tap to Pay systems used in thousands of locations.
• Design and deploy AI agents that understand business data to provide genuine insights and handle operational workflows.

The ideal candidate

• Has 3-5+ years of professional full-stack experience with modern web and mobile frameworks like Next.js and React Native.
• Exhibits a genuine founder mentality with the desire to move fast and make critical product decisions in an early-stage environment.
• Must have existing UK work authorization and be based in London for hybrid collaboration with the technical team.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-engineer-equity-at-yc-backed-london-fintech-reimagining-retail-operation-2801bd59-7b1f-4d4e-b0cb-7f5d31d3f0ce?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_2801bd59-7b1f-4d4e-b0cb-7f5d31d3f0ce
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Software Engineer

Salary

Not Disclosed

Company Description

Strategic partner of Lloyds Banking Group building the all-in-one digital platform for vehicle management

Job Description

You will own and elevate a platform used by millions of UK drivers, building scalable services for partners like Lloyds Banking Group, MoneySuperMarket, and Motorway. Working in a small team of serial founders who have successfully built and exited startups, you will architect distributed systems and define the future of automotive ownership.

Location

London, UK

Why this role is remarkable

• Join a high-caliber team of experienced operators and serial founders who have successfully built, exited, and scaled startups to profitability.
• Influence the infrastructure of a market leader with deep integrations into major UK financial institutions like Lloyds Banking Group and esure.
• Take full ownership of the platform architecture within a fast-paced environment where you shape the product vision rather than just maintaining legacy code.

What you will do

• Architect and operate a scalable backend platform using TypeScript and Node.js to power web apps, APIs, and internal operations tools.
• Design and implement event-driven macroservices and distributed systems leveraging AWS services like ECS, Lambda, and EventBridge.
• Collaborate cross-functionally with design and product teams to translate complex car management workflows into intuitive, high-performance customer experiences.

The ideal candidate

• Possesses deep production experience building robust, secure APIs and distributed systems using TypeScript and Node.js as their primary stack.
• Demonstrates mastery of AWS infrastructure, specifically event-driven architectures involving ECS, EventBridge, and MongoDB.
• Exhibits a scrappy, builder mindset with prior experience in a fast-paced startup where they successfully managed shifting priorities and high-impact delivery.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-software-engineer-at-strategic-partner-of-lloyds-banking-group-building-t-67022e53-45d2-4c9f-b4db-ddbe05200f37?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_67022e53-45d2-4c9f-b4db-ddbe05200f37
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

===

Job Title

Founding Marketer

Salary

Up to £50k + 0.5% Equity

Company Description

Pre-seed AI insurtech backed by Haatch and Aviva/Founders Factory (£950k raised)

Job Description

Join a high-growth London startup as the first dedicated marketing hire, taking full ownership of our brand presence. You will orchestrate our content engine, manage our industry-leading podcast for accountants, and drive distribution across social channels. This is a high-agency role working directly with founders to disrupt the £5B commercial insurance market.

Location

London, UK

Why this role is remarkable

• Significant ownership as a founding team member with 0.5% equity in a well-funded startup backed by tier-one investors like Aviva and Haatch.
• Full creative autonomy to build and scale a marketing engine from scratch, including access to an in-house podcast studio and direct access to the founding team.
• Proven product-market fit with over 40 accountancy firm partnerships already secured as a primary distribution channel for our AI-driven platform.

What you will do

• Manage the end-to-end lifecycle of our podcast and social media engine, repurposing long-form content into viral clips and high-performing LinkedIn posts.
• Orchestrate the marketing strategy by identifying when to execute tasks in-house versus managing specialized freelancers for design, copywriting, or video production.
• Analyze content performance data to iterate on hooks, titles, and distribution tactics, ensuring a consistent daily presence across YouTube, TikTok, and LinkedIn.

The ideal candidate

• A high-potential graduate or early-career marketer (0-3 years) who is "deeply online" and understands the nuances of social algorithms and internet culture.
• Proven ability to create compelling content, whether through personal projects or professional accounts, with a strong eye for design and hooks that drive engagement.
• Proactive, high-agency individual comfortable with the pace of a pre-seed startup who can move from high-level strategy to tactical execution in hours, not weeks.

===

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-marketer-up-to-50k-0-5-equity-at-pre-seed-ai-insurtech-backed-by-aviva--e5610f71-095b-4d0a-93c6-48204251bbca?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_e5610f71-095b-4d0a-93c6-48204251bbca
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Lead Backend Engineer

Salary

Not Disclosed

Company Description

Stealth-mode AI startup building the operating system for property management, led by a Head of Engineering who scaled a Fintech to a $35M Series B and backed by Entrepreneur First and Cambridge alumni.

Job Description

As the most senior backend hire, you will architect the core systems powering a sophisticated AI assistant designed to automate 90% of property management workflows. Leading from the front, you will design event-driven architectures and scale APIs for a platform already pilot-testing with high demand as it moves toward revenue.

Location

London, UK

Why this role is remarkable

• Rare chance to join a category-defining AI company as the senior technical lead, working directly with a founding team of ex-Revolut and industry experts.
• Massive market impact, building automation for a sector where teams currently spend 75% of their time on repetitive manual admin.
• High-influence leadership role where you will shape the engineering culture, technical standards, and backend architecture from the ground up.

What you will do

• Architect and build scalable backend services and APIs using Node.js and TypeScript within a microservices and event-driven environment.
• Integrate backend systems with LLMs and AI models to automate real-time communications, compliance, and maintenance workflows.
• Mentor the engineering team, lead code reviews, and collaborate across AI and product functions to translate complex business needs into technical reality.

The ideal candidate

• At least 7 years of professional experience with deep expertise in Node.js, TypeScript, and relational databases like PostgreSQL.
• Proven track record of designing and operating production-grade microservice or event-driven architectures in high-growth startup environments.
• Strong leadership profile with experience mentoring engineers and a genuine ownership mentality toward building robust, maintainable systems.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/lead-backend-engineer-at-vc-backed-ai-startup-automating-property-management-469cf44e-8c62-4649-810b-a1bcd57b2027?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_469cf44e-8c62-4649-810b-a1bcd57b2027
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Founding Engineer

Salary

$160k-$180k + Equity

Company Description

AI-native fintech startup founded by Stanford/IIT alumni and former Snowflake AI leads

Job Description

You will be the first engineering hire at a mission-driven startup building an AI-powered Personal CFO. You’ll design complex systems from scratch—including secure financial data pipelines, life event simulators, and automated tax optimization engines—to level the financial playing field for Millennials and Gen Z through sophisticated, agentic technology.

Location

San Francisco, USA

Why this role is remarkable

• Join as the first engineering hire with direct influence over the technical architecture, product direction, and foundational culture of the company.
• Work alongside founders with deep pedigree, including a CTO who led AI monitoring at Snowflake and a CEO with 17 years in venture capital.
• Build a generational product that replaces manual wealth management with high-scale AI agents, solving real structural wealth inequality for younger generations.

What you will do

• Architect and build a secure, SOC 2 compliant data pipeline that aggregates and structures complex financial documents using bank-grade encryption.
• Develop a sophisticated life event simulator and tax optimization engine capable of modeling hundreds of scenarios for hyper-personalized financial moves.
• Design and deploy autonomous AI agents that run background simulations to identify and execute wealth-building opportunities for users.

The ideal candidate

• 2+ years of experience shipping production-grade software and debugging complex customer issues in a fast-paced environment.
• Mastery of an AI-first development workflow, using LLMs to accelerate coding while building native AI applications and agents.
• Strong systems thinking and ownership mentality, comfortable taking features from initial design through to monitoring and deployment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/founding-engineer-160k-180k-equity-at-ai-native-personal-wealth-startup-f7601529-88c3-4245-b439-6e998182c046?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_f7601529-88c3-4245-b439-6e998182c046
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Staff Software Engineer

Salary

£120k-£180k + Equity

Company Description

$22M Series A creator monetisation platform with $100M+ ARR

Job Description

As the most senior individual contributor reporting to the Head of Engineering, you will architect the evolution of a platform serving 17 million monthly active users. You will lead the transition from a PostgreSQL monolith to an event-driven architecture while building the core AI infrastructure that powers automated creator tools and recommendations.

Location

London, UK

Why this role is remarkable

• Extraordinary traction with 450% year-on-year growth and $100M+ ARR, recently named one of the Sunday Times Best Places to Work in 2025.
• Pure technical leadership role with a proven IC career track, allowing you to solve complex scaling challenges without being forced into management.
• AI-native engineering environment where you will design vector stores and LLM orchestration as core product components, not just bolted-on features.

What you will do

• Lead the monolith-to-services decomposition using proven patterns like Strangler Fig and domain-driven design for a high-growth platform.
• Design and implement scalable AI infrastructure including vector databases, embedding pipelines, and LLM orchestration to power automated chat and moderation.
• Architect and optimise database strategies for high-throughput workloads to support tens of millions of monthly active users.

The ideal candidate

• 10+ years of hands-on software engineering experience building and shipping distributed systems at scale for high-growth consumer platforms.
• Deep technical expertise in TypeScript, Node.js, and AWS, with a track record of managing PostgreSQL at massive scale.
• Fluent with AI-assisted development tools like Cursor and Claude Code, with the ability to mentor other engineers in adopting these technologies.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/staff-software-engineer-120k-180k-equity-at-22m-series-a-ai-powered-creator-plat-34522adf-af76-46bb-bd22-bd6a4b3f6147?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_34522adf-af76-46bb-bd22-bd6a4b3f6147
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Network Software Engineer

Salary

$250K – $300K + 0.1% – 0.5% Equity

Company Description

$7.3M Seed AI cloud infrastructure startup backed by First Round Capital

Job Description

You will architect and build the networking foundation of the first AI-native cloud from the ground up. This role involves designing an SDN fabric optimized for agentic AI workloads, utilizing Rust and Go to create a high-performance VPC that surpasses traditional clouds in throughput, latency, and security enforcement.

Location

San Francisco, USA

Why this role is remarkable

• You will design an entire networking architecture from scratch—including overlay networks and distributed routing—rather than simply maintaining legacy systems at a major provider.
• The company is backed by First Round Capital and led by founders who previously built and sold Europe's largest cloud infrastructure platform to OVHcloud.
• You will be building the infrastructure that already processes billions of requests for top AI startups, directly impacting the performance of the next generation of AI agents.

What you will do

• Architect and implement a high-performance dataplane for a custom VPC using VPP, DPDK, eBPF, XDP, and Rust.
• Build distributed control-plane systems in Go and Rust for IPAM, L2/L3 routing, topology services, and ACL engines.
• Operate networking workloads on bare-metal clusters with large-scale IPv6-only addressing while maintaining sub-millisecond latency requirements.

The ideal candidate

• Has 3+ years of experience in systems engineering or distributed systems with strong proficiency in Rust and Go.
• Deeply understands networking internals, including IPv6, BGP/ECMP, and overlay technologies like VXLAN or Geneve.
• Possesses hands-on experience with low-level technologies such as DPDK, VPP, or eBPF to optimize cycles and cache locality.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/network-software-engineer-250k-300k-equity-at-first-round-backed-ai-cloud-startu-bd61da9e-798a-445d-ba76-ea4b4941e72c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_bd61da9e-798a-445d-ba76-ea4b4941e72c
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack AI Engineer

Salary

Up to £70,000 + Equity

Company Description

Strategic investor-backed MarTech startup automating creative production for global brands

Job Description

Join a high-growth London startup building AI-powered creative automation that integrates with Figma and Adobe. As a hands-on engineer, you will ship features across a modern AWS serverless stack and implement LLM-driven capabilities. You will play a pivotal role in eliminating repetitive production grinds for creative teams worldwide.

Location

London, UK

Why this role is remarkable

• Work at the intersection of Generative AI and MarTech, building products that solve real-world production bottlenecks for enterprise clients and global brands.
• Join a lean, high-velocity team of ~18 people led by an OBE-awarded CEO and backed by strategic industry investors, offering significant ownership and visibility.
• Influence technical strategy by introducing modern AI-assisted development practices like Claude Code and Cursor to accelerate the team's engineering velocity.

What you will do

• Develop and deploy end-to-end features using Next.js/React, Node.js, and Python on an AWS serverless infrastructure including Lambda and Aurora.
• Integrate LLMs and AI-powered automation to enable templating, variant generation, and intelligent review workflows for digital creative assets.
• Collaborate directly with the Director of Engineering to maintain high code quality and pragmatic UX-focused delivery in a fast-moving startup environment.

The ideal candidate

• 3-5 years of full-stack engineering experience with a strong command of React, Node.js, and PostgreSQL in a production environment.
• Hands-on experience integrating AI/LLM APIs into consumer-facing products and a passion for leveraging AI-assisted development tools to increase speed.
• A pragmatic self-starter with a keen eye for UX who possesses existing UK work rights and thrives in a hybrid Central London office setting.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-ai-engineer-70-000-equity-at-strategic-investor-backed-martech-startu-92319814-bf47-4c2a-a894-82cb04732358?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_92319814-bf47-4c2a-a894-82cb04732358
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Lead Data Engineer

Salary

Not Disclosed

Company Description

AI property operations startup automating the £33B property management market

Job Description

As the first senior data hire, you will architect the production infrastructure powering a sophisticated AI agent. You'll build the real-time pipelines and dynamic data layers that allow the LLM to query live tenancy records and maintenance history, directly determining the automation rate of a platform already managing over 14,000 units.

Location

London, UK

Why this role is remarkable

• Lead a greenfield opportunity as the foundational data hire, reporting directly to a Head of Engineering who previously built a 140-person data department through a $35M Series B.
• Impact a high-growth startup already closing major enterprise deals and scaling toward significant revenue in a massive, underserved UK market.
• Work at the cutting edge of AI, moving beyond static knowledge bases to build a dynamic, real-time world model for autonomous property agents.

What you will do

• Architect and maintain real-time data pipelines (Kafka/Debezium) integrating with major property management systems like Alto, MRI, and Reapit.
• Design and implement scalable infrastructure for vector search, retrieval (RAG), and data modeling for both structured records and unstructured document extraction.
• Define the AI data contracts and schemas that serve as the world model for the LLM layer, ensuring production-grade reliability and uptime.

The ideal candidate

• Has 7+ years of experience in data or backend engineering, with a proven track record of building production systems that AI/ML models depend on.
• Proficiency in Python and SQL, with deep experience in relational databases (PostgreSQL), NoSQL, and modern orchestration tools like Airflow or Spark.
• Possesses a reliability-first mindset and experience in high-growth startups, comfortable building from scratch and navigating the ambiguity of early-stage environments.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/lead-data-engineer-at-ai-property-operations-startup-bae57bf3-7654-4568-9f78-a31ed25e20e4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_bae57bf3-7654-4568-9f78-a31ed25e20e4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Senior Data Scientist

Salary

Not Disclosed

Company Description

Profitable £3.5bn fintech unicorn backed by Balderton, Goldman Sachs, and Ontario Teachers' Pension Plan

Job Description

You will build the proprietary machine learning models that sit at the core of this fintech’s competitive advantage. Focusing on the US market, you’ll develop real-rate, risk-based pricing scorecards for unsecured loans and credit cards. This is an end-to-end role involving model design, deployment, and monitoring using state-of-the-art ML techniques.

Location

London, UK

Why this role is remarkable

• Join a £3.5bn fintech unicorn that has been profitable since 2017 and is backed by elite investors like Goldman Sachs.
• Take full ownership of credit risk models for the massive US market, working with a rich repository of proprietary financial data.
• Experience a high-growth environment with in-house chefs, hybrid flexibility, and a mission-driven team disrupting dated banking systems.

What you will do

• Design, implement, and deploy end-to-end machine learning models to optimize credit risk, pricing, and marketing efficiency.
• Extract and transform complex data sources using Python and experiment tracking tools like MLFlow to drive scorecard development.
• Mentor junior data scientists while collaborating with multidisciplinary teams to translate business problems into advanced technical solutions.

The ideal candidate

• Proven experience building and shipping production-grade machine learning models in Python with a focus on real-world commercial impact.
• Strong communicator capable of explaining complex risk modeling topics to non-technical stakeholders and business leadership.
• Previous exposure to credit risk decisioning or financial services data, particularly across UK or US geographies, is highly advantageous.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-data-scientist-at-profitable-and-pound-3-5bn-fintech-unicorn-6127f3cc-45cf-4751-97b5-9a7791b82721?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6127f3cc-45cf-4751-97b5-9a7791b82721
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Manager

Salary

£80k-£115k + Equity

Company Description

$15M Series A AI-native fintech building the operating system for financial advisers

Job Description

You will own key product domains for the UK market leader in AI-driven wealth management. Reporting directly to the CEO, you will bridge Engineering, AI, and Commercial teams to transform manual compliance and fragmented workflows into automated, intelligent experiences that help advisers serve one billion people with trusted financial advice.

Location

London, UK

Why this role is remarkable

• Join a YC S24 breakout startup that recently closed a $15M Series A led by Singular, Shapers, and YC to scale its AI-native platform.
• Earn end-to-end ownership of a product domain at a company that has captured 450+ wealth management firms in just two years.
• Build high-stakes AI products where explainability and trust are core, working at the intersection of LLMs and regulated financial services.

What you will do

• Conduct independent discovery with advisers and paraplanners to translate complex regulatory pain points into high-leverage product roadmaps.
• Scope and ship AI-powered features in small, rapid increments, managing everything from initial hypothesis to GTM readiness and adoption.
• Define and track outcome-based metrics while navigating trade-offs between engineering capacity, commercial urgency, and rigorous product quality.

The ideal candidate

• 3–7 years of PM experience at fast-paced B2B SaaS companies with a proven track record of shipping products that measurably change user behavior.
• Technically fluent and curious about AI systems, including experience with LLMs, RAG, and the nuances of why automated prompts break.
• Exceptional writer and communicator who can navigate ambiguity and present complex trade-offs to leadership without over-packaging facts.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-manager-80k-115k-equity-at-15m-series-a-ai-native-fintech-d10ecdb3-6158-4392-8ac5-4dea81fa58b5?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_d10ecdb3-6158-4392-8ac5-4dea81fa58b5
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Enterprise Account Executive

Salary

$200,000 - $300,000 + Equity

Company Description

YC-backed electronics design intelligence platform with $200k-$300k OTE, supported by investors including Jeff Dean (Google AI) and the co-founder of GitHub.

Job Description

Join a high-growth startup revolutionizing the $1.3 trillion electronics industry. You will own the full sales cycle, selling proprietary data and design tools to major manufacturers like Texas Instruments. Leveraging a dataset of 10 million components used by 2 million engineers, you’ll drive strategic partnerships and build the GTM playbook.

Location

Redwood City, USA

Why this role is remarkable

• Massive Product-Market Fit: Sell a product already loved and used by engineers at SpaceX, Apple, and Anduril to design satellites and electric cars.
• Unique Data Advantage: Leverage a proprietary dataset of 10M+ components that provides undeniable ROI for marketing and engineering leaders at global OEMs.
• Path to Leadership: High-impact builder role with a clear trajectory toward GM or VP of Sales, working directly with founders in a high-trust environment.

What you will do

• Lead end-to-end sales cycles from prospecting to closing, transforming proprietary component data into value-based ROI narratives for enterprise clients.
• Define and execute strategic sales plans to improve go-to-market strategies and establish long-term partnerships within the global electronics ecosystem.
• Collaborate cross-functionally with legal, finance, and product teams to negotiate high-value contracts and influence the evolution of the Copilot product.

The ideal candidate

• 5+ years of demonstrated success in B2B technical sales, specifically closing enterprise deals within data, analytics, or SaaS sectors.
• Builder mindset with experience as an early sales hire at a startup, capable of creating a sales playbook rather than just following one.
• Strong data-driven communicator who can articulate complex technical value propositions to both marketing and engineering leadership audiences.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/enterprise-account-executive-200-000-300-000-equity-at-yc-backed-electronics-des-9c5c1a65-71bf-4a4d-a746-9b245134a3df?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_9c5c1a65-71bf-4a4d-a746-9b245134a3df
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full Stack Engineer

Salary

£70,000 + Equity

Company Description

FCA-regulated insurtech MGA building modern product protection for global retail

Job Description

Join a high-growth London startup as a defining member of the engineering team. You will build seamless, embedded insurance technology that integrates directly into major e-commerce platforms. Working across Ruby on Rails and React, you'll solve complex transactional challenges to protect millions of customers while scaling a platform from 44+ retailers to global markets.

Location

London, UK

Why this role is remarkable

• Ground-floor opportunity to join a proven startup at a key scaling stage, with direct influence over technical foundations and engineering culture.
• High-impact work in a regulated fintech environment, transitioning from 44 retailers to expansion across Europe and the US by 2026.
• Deep ownership and technical autonomy that corporate roles can't match, including equity eligibility and a path to senior leadership.

What you will do

• Build and maintain backend services, GraphQL APIs, and React frontends for core administrative and customer-facing portals.
• Design and implement complex integration flows for major e-commerce platforms including Shopify, BigCommerce, and Magento.
• Manage scalable infrastructure as code using Terraform and AWS, optimizing CI/CD pipelines for high-reliability production environments.

The ideal candidate

• At least 2+ years of commercial engineering experience with a strong focus on Ruby on Rails or Python in production.
• Proven track record of building and maintaining robust APIs and complex integrations within transactional or regulated environments.
• Independent problem-solver with a bias for action and experience in automated testing, security best practices, and CI/CD workflows.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-engineer-70-000-equity-at-fca-regulated-insurtech-mga-0af3e329-b2d5-4b91-bbd6-ca980f5a1231?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_0af3e329-b2d5-4b91-bbd6-ca980f5a1231
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Product Engineer

Salary

£110K–£170K + Equity

Company Description

Stealth-stage London startup building the world's first autonomous technology deployment platform

Job Description

You will build the orchestration layer that automates enterprise software roll-outs for a $13 trillion industry. Moving fluidly across React and Python/FastAPI, you will transform complex configuration workflows into simple, intuitive experiences for non-technical users. This is a high-agency role where your success is measured by customer deployment outcomes, not just code.

Location

London, UK

Why this role is remarkable

• Exceptional traction with over $2M ARR already secured in stealth from global enterprises like Parsons and Ferrovial.
• Unique opportunity to be one of the first five engineers in a deliberately small, high-talent team shaping a genuinely new product category.
• High-autonomy environment where you move from customer struggle to shipped solution in days, with direct access to users and no middle-management layers.

What you will do

• Design and build user-centric features across the full stack using React and Python/FastAPI to make complex orchestration feel effortless.
• Engage directly with customers through calls and session recordings to develop deep intuition for enterprise deployment bottlenecks.
• Own the entire product lifecycle from problem discovery and API design to shipping and iterating based on real-world usage data.

The ideal candidate

• Proven track record as a full-stack builder with deep production experience in Python backend systems and modern frontend frameworks like React.
• Strong product instincts with the ability to ruthlessly cut scope, question requirements, and prioritize user experience over technical elegance.
• Thrives in high-urgency, ambiguous environments and has a history of shipping user-facing products where high-quality interaction design was a priority.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/product-engineer-110k-170k-equity-at-2m-arr-stealth-autonomous-tech-platform-bc2285ac-9545-41ae-868e-5ee98254cb6f?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_bc2285ac-9545-41ae-868e-5ee98254cb6f
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Fullstack Engineer

Salary

Not Disclosed

Company Description

Leading Sui-based DeFi protocol co-led by OKX Ventures, Hashed, and dao5 with $400M+ TVL.

Job Description

Join a high-growth DeFi infrastructure team building the performance layer for decentralized finance on Sui. As a Fullstack Engineer, you will own the end-to-end development of new financial products, from React interfaces to Node.js backends. This is a greenfield role focused on scaling a platform that already serves 900,000 users.

Location

San Francisco, USA

Why this role is remarkable

• Build on the leading lending and LSDeFi platform on Sui, supported by top-tier investors including OKX Ventures and Hashed.
• Ship high-impact, greenfield products from scratch within a lean, 15-person engineering team rather than maintaining legacy code.
• Exceptional market traction with over $400M in Total Value Locked (TVL) and a massive user base of 900,000 global users.

What you will do

• Design and develop secure, end-to-end web applications using React and Node.js for high-demand DeFi use cases.
• Collaborate with smart contract engineers to integrate frontend systems seamlessly with blockchain protocols and automated vaults.
• Optimize application performance and scalability to handle significant financial transaction volume at scale.

The ideal candidate

• 3+ years of experience in fullstack development with deep proficiency in React, Node.js, and modern JavaScript environments.
• Proven track record in a fast-paced startup environment with the ability to own features from conception to deployment.
• Strong fundamentals in REST APIs and database design, with a deep curiosity for blockchain technology and decentralized finance.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/fullstack-engineer-at-leading-sui-defi-protocol-backed-by-okx-ventures-and-hashe-6c0e4071-bd9c-4416-85c7-ce9a1ff2d15f?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_6c0e4071-bd9c-4416-85c7-ce9a1ff2d15f
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Smart Contract Engineer

Salary

Not Disclosed

Company Description

Top-tier DeFi infrastructure protocol co-led by OKX Ventures, Hashed, and Dao5

Job Description

Join the leading lending and LSDeFi platform on the Sui blockchain, managing over $380M in TVL with a 61% market share. As a Senior Smart Contract Engineer, you will design and secure the foundational infrastructure that powers nearly a million users, building high-performance protocol primitives in Move for the fastest-growing Layer 1 ecosystem.

Location

San Francisco, USA

Why this role is remarkable

• Lead development for the dominant protocol on Sui, operating at massive scale with zero tolerance for failure and influencing the growth of a premier L1 ecosystem.
• Backed by elite investors including OKX Ventures, Hashed, and Dao5, providing the stability and resources of a market leader with the agility of a 15-person team.
• Own protocol-critical decisions and ship innovative products like automated vaults and PRE DEX while receiving support for visa sponsorship if based locally.

What you will do

• Design, develop, and deploy secure smart contracts using Move to power lending, borrowing, and liquidity infrastructure for hundreds of thousands of users.
• Architect and lead rigorous security audits and code reviews to protect $380M+ in TVL from potential vulnerabilities and exploits.
• Collaborate with a global engineering team to integrate complex smart contract logic with high-performance blockchain infrastructure and front-end applications.

The ideal candidate

• Deep expertise in DeFi smart contract development, specifically building lending protocols, vaults, or liquidity primitives that have reached production at scale.
• Strong proficiency in Move, Solidity, or Rust with a track record of writing clean, efficient, and highly secure code verified by top-tier audit firms.
• Exceptional communication skills and a proactive problem-solving mindset, capable of articulating technical trade-offs to a global team while managing protocol-level complexity.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/smart-contract-engineer-at-top-tier-defi-infrastructure-protocol-co-led-by-okx-v-ba35bb0f-297d-4d30-ae2a-f605de3a0a8c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_ba35bb0f-297d-4d30-ae2a-f605de3a0a8c
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

AI Engineer (Generalist)

Salary

$180K – $250K + Equity

Company Description

Index Ventures-backed agentic AI startup automating institutional real estate workflows

Job Description

You will design and deploy production-grade AI agents for the world’s largest real estate institutions. As an early engineer, you'll own end-to-end product workflows that automate complex acquisitions and development tasks. This role sits at the intersection of long-running agents and physical-world impact, scaling a platform already generating 7-figure revenue.

Location

San Francisco, USA

Why this role is remarkable

• Join a high-velocity team backed by Index Ventures and C-suite leaders from Blackstone and OpenAI with a clear path to 8-figure revenue.
• Work at the frontier of agentic AI, building systems that reason over complex documents and visual data to accelerate massive global infrastructure projects.
• Gain a "founder's track" experience with radical autonomy and significant equity, learning to build a generational company from zero alongside elite 11x.ai alumni.

What you will do

• Design, a confidential company and deploy production-grade AI agents using Python, LangGraph, and modern LLM frameworks to automate high-stakes real estate workflows.
• Partner directly with domain experts and trillion-dollar asset managers to translate manual processes into autonomous, long-running agentic systems.
• Ship full-stack features end-to-end, taking full ownership of reliability, context engineering, and the technical outcomes of your code in production.

The ideal candidate

• Has 3-5 years of engineering experience, ideally at elite vertical AI or high-growth startups like Harvey, Scale AI, or Ramp.
• Demonstrates proven experience shipping production-grade LLM-based systems or agents that solve non-trivial, multi-step reasoning problems for real users.
• Possesses a full-stack engineering toolkit with a strong ownership mindset, capable of navigating ambiguity and moving with extreme velocity in a startup environment.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/ai-engineer-180k-250k-equity-at-index-ventures-backed-agentic-ai-startup-3f662a34-c9d0-468e-ab27-a2571eca96b2?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_3f662a34-c9d0-468e-ab27-a2571eca96b2
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Marketing & Content Lead

Salary

Not Disclosed

Company Description

$5M YC-backed AI copilot for insights and strategy teams

Job Description

You will own the marketing and content pillar end-to-end, building a repeatable engine from scratch for a fast-growing startup. You’ll create sharp, distinctive content and run growth experiments to drive measurable pipeline impact. This is a high-agency role for an executor who wants to define the go-to-market playbook, not just follow one.

Location

London, UK

Why this role is remarkable

• Full ownership of a critical growth pillar from day one, reporting directly to the Chief of Staff with high autonomy and trust.
• Proven product-market fit with a blue-chip customer base including Amazon, Nike, Netflix, and P&G, delivering 70% time savings for research teams.
• Rapid feedback loops and direct access to founders within a high-performance, YC-backed team of 16 scaling quickly in the AI sector.

What you will do

• Build and manage a consistent content engine, owning the LinkedIn presence and tone of voice to establish market leadership.
• Execute continuous growth experiments across messaging, personas, and channels to identify and scale high-converting lead generation levers.
• Build and manage data dashboards to track performance from first-touch through to pipeline contribution and ARR growth.

The ideal candidate

• 2 to 5 years of experience in growth, content, or marketing at an early-stage startup or B2B SaaS company.
• Exceptional commercial writing skills with the ability to produce bold, opinionated, and high-quality content that converts readers into MQLs.
• Strong analytical mindset with a bias for action and experience tying creative marketing activities to tangible revenue outcomes.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/marketing-and-content-lead-at-5m-yc-backed-ai-startup-for-researchers-adc42a64-f93c-446a-b43d-67a247a214e4?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_adc42a64-f93c-446a-b43d-67a247a214e4
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.

#LI-JANDJLIVE

She will pick the best candidates from Jack's network.

The next step is to speak to Jack.

Job Title

Full-Stack Growth Builder

Salary

Not Disclosed

Company Description

$50M Series B a16z and YC-backed B2B marketplace for secondhand fashion

Job Description

As a super-IC on a high-velocity growth team, you will reinvent customer lifecycle marketing using AI as your default toolkit. You'll architect adaptive CRM systems, build reseller engagement tools, and design rigorous experimentation frameworks. This is a technical building role focused on driving measurable, causal impact on retention and global supply chain efficiency.

Location

London, UK

Why this role is remarkable

• Join a talent-dense team backed by top-tier investors like a16z, Y Combinator, and the founders of Depop and Shopify during a period of triple-digit year-on-year growth.
• Move beyond static marketing journeys to architect AI-native systems that dynamically optimize messaging, timing, and channel prioritization using real-time user signals.
• Report directly to a VP of Growth with a massive scaling track record at Deliveroo, operating in a low-ego environment where velocity and high ownership are the core values.

What you will do

• Design and maintain smart CRM systems and automated content generation workflows using AI (Claude/Cursor) to deliver hyper-personalized user experiences.
• Build end-to-end tooling for resellers, such as cross-listing features, to drive long-term platform stickiness and bridge the gap between B2B and consumer markets.
• Implement rigorous experimentation frameworks, utilizing causal inference and holdouts to quantify the true incremental revenue impact of lifecycle initiatives.

The ideal candidate

• A technical "builder" profile proficient in SQL and AI-coding tools, capable of shipping production-quality systems and navigating large, messy datasets without engineering support.
• Deeply analytical with a strong grasp of experimentation ethics, including lift testing and fatigue management, to balance short-term optimization with long-term trust.
• Product-minded innovator who prefers building autonomous, learning systems over manually executing traditional marketing campaigns or static lifecycle journeys.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit the job listing.
Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/full-stack-growth-builder-at-50m-series-b-a16z-and-yc-backed-b2b-fashion-marketp-106c4ea4-8abf-4fde-ad41-cf44bc868729?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_106c4ea4-8abf-4fde-ad41-cf44bc868729
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.