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Jack helps you find life-changing roles at breakout companies.

Operators use Jack to find roles with broad ownership and direct company impact.

Jack finds you jobs at companies like this.

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Chief of Staff - Commercial at Tuza

London, United Kingdom£60k-£100k + Equity

As Chief of Staff - Commercial at Tuza in London, you will lead strategic and operational efforts to scale AI-native automation across major financial institutions. Tuza is a Northzone-backed fintech founded by ex-Worldpay and Citymapper leaders, with £6B+ in volume already processed. Ideal candidates have 2-6 years of experience at MBB or similar firms and will drive deployments, replacing.

Posted 10h ago
Confidential

Data Scientist at early-stage AI startup

New York City, United StatesNot Disclosed

The Data Scientist role is with a well-funded, early-stage AI startup in New York. The company has zero legacy systems, offering the chance to shape its data culture. You will own the full ML lifecycle, from development to deployment and monitoring, solving real business problems from day one.

Posted 10h ago

Course Operations Lead at BlueDot Impact

San Francisco, United States$120k-$170k

Based in San Francisco, you will own admissions and facilitator systems as the Course Operations Lead at BlueDot Impact. BlueDot Impact is a $35M-funded startup scaling from 3,000 to 10,000+ participants per year. You will join a tiny team with a path to Head of Programs within 18 months.

Posted 5d ago

Adoption Specialist at Sektor

London, United KingdomNot Disclosed

The Adoption Specialist role at Sektor is based in London, UK. Sektor is a London-based startup delivering the world’s first platform for autonomous technology deployment. The role offers the chance to own the deployment lifecycle and drive adoption with major clients like Parsons and Ferrovial on large infrastructure projects.

Posted 1w ago
Confidential

Founding Operations at Well-funded AI healthcare startup

San Francisco, United States$150k-$200k + Equity

Founding Operations lead in San Francisco will build the operational backbone for a well-funded AI healthcare startup. You will work with the CEO to solve cross-functional challenges in legal, systems, and people ops to modernize clinical care delivery. The role offers significant equity and a clear path to a COO position for a startup-experienced builder.

Posted 4w ago

Head of Operations at BlueDot Impact

San Francisco, United States$180K–$250K

Are you a startup ops lead or former Chief of Staff who misses the early days of building from zero? This $25M San Francisco talent accelerator is looking for a Head of Operations to build their entire backbone from scratch. You will scale the team from 7 to 25, build a new HQ from the ground up, and deploy millions in grants to protect humanity from AI risks. With a $180k $250k salary and total autonomy, this is a rare chance to translate operational excellence into global safety. No AI background required—just high agency and the ability to scale fast.

Posted 1mo ago

Head of Operations at SnapMagic

San Francisco, United States$180K - $225K + Equity

Join a YC backed startup that has doubled its revenue since its seed round and is now scaling an AI Copilot for the $1.3T global electronics industry. Backed by legends like Jeff Dean and Tom Preston Werner, this team is looking for a Head of Operations to serve as the CEO's right hand. You won't just manage processes; you'll build an AI native operating machine from scratch, using agents and automated workflows to scale business, people, and finance operations. If you're a systems thinker who thrives on turning complexity into clarity at a high growth startup, this is your next big move.

Posted 1mo ago

Technical Operations Lead at Rivan Industries

London, United Kingdom£70k – £90k + Equity

Rivan Industries is on a mission to make synthetic fuel cheaper than fossil fuels and stop carbon drilling for good. They are looking for a Technical Operations Lead with the 'scar tissue' to own the integration of engineering, manufacturing, and deployment as they scale their modular plants 1000x over the next two years. If you want to work at the intersection of hardware and climate impact in a high intensity London HQ, this role offers significant equity and a chance to build the future of energy.

Posted 1mo ago

Operations Manager at Health Well Solutions

London, United Kingdom£35k-£45k

Health Well Solutions is looking for an Operations Manager to join their specialist medical insurance brokerage in Central London. This isn't just an admin role; you'll be working directly with the Managing Director to own the client pipeline and scale a business that integrates bespoke insurance with preventative health screenings. If you have 3+ years of experience in PMI or regulated financial services and thrive in a high impact, fast paced environment, this is your chance to play a central role in a firm with over 40 years of combined expertise.

Posted 2mo ago

People Ops / Office Manager at Fleek

London, United KingdomNot Disclosed

Fleek seeks an AI-native People Ops / Office Manager to own HR and office operations in London. This role involves automating processes with tools like ChatGPT and Zapier. It's an opportunity to gain HR leadership experience in a fast-growing startup.

Posted 3mo ago

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