As a senior frontend-leaning full-stack engineer, you will own the entire user experience for a mission-critical data orchestration platform. You will build complex DAG visualizations and cost observability tools using React and TypeScript, ensuring data teams can trust and monitor their AI workflows through a high-performance, power-user interface.
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Software Engineer (Frontend) at well-funded data infrastructure startup
Join a high-velocity, 10-person team building the control plane for AI-native data orchestration. As the frontend anchor, you'll own the entire UI experience—from complex DAG visualizations to lineage graphs—using React and TypeScript. This is a rare chance to take a significant equity stake in a well-funded startup backed by industry giants, where your technical decisions directly shape the product used by data engineers globally. If you thrive on shipping to production daily and want to work at the intersection of data infrastructure and AI, this role in London offers the perfect platform.
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Location
London, United Kingdom
Compensation
£175k-£200k + Equity
Company
Confidential company
Role overview
About the company
Well-funded data infrastructure startup
What you will do
- Design and implement complex frontend features including DAG visualizations and lineage graphs.
- Partner directly with customers to prototype, iterate, and ship features without design bottlenecks.
- Contribute to the Python/FastAPI backend and AWS serverless infrastructure to support full-stack delivery.
Who this is a fit for
- At least 5+ years of experience building and scaling production-grade web applications.
- Deep mastery of React and TypeScript with a strong eye for UI/UX craft and performance.
- Comfortable working as a generalist in a fast-paced environment with a customer-centric mindset.
Why this role is remarkable
- Ship to production multiple times daily within a high-velocity, 10-person engineering team.
- Backed by top-tier VCs and prominent industry angels from major data tech leaders.
- Significant equity stake in a pre-seed company shaping the future of AI-native data workflows.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
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What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.