You will build autonomous AI agents that plan and ship code within real-world development workflows. This role sits at the intersection of research and product, translating advanced model capabilities into intuitive IDE extensions and web applications. You will collaborate closely with the CTO to deliver high-performance tools for enterprise-grade engineering environments.
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London, United Kingdom£80K - £120K
Product Engineer at VC-backed AI developer tool startup
Are you a Product Engineer who cares deeply about Developer Experience? Join a high-growth, YC-backed startup in London building autonomous AI engineers that actually ship code. You'll work at the cutting edge of AI research and product, building IDE extensions and web apps that allow developers to harness the power of world-class LLMs. With a competitive salary up to £120k and a high-talent density team, this is a unique chance to define the next generation of software development tools in an ambitious, in-office environment.
Overview
Role overview
Company
About the company
VC-backed AI developer tool startup
Responsibilities
What you will do
- Develop user-facing product surfaces including IDE extensions and web applications using TypeScript and React.
- Collaborate with the research team to turn emerging AI model capabilities into concrete, reliable features.
- Maintain high standards for performance and observability while iterating rapidly on developer-focused interfaces.
Candidate profile
Who this is a fit for
- Has 5+ years of experience building production-grade software with a focus on highly interactive frontend applications.
- Possesses strong proficiency in TypeScript and modern frameworks, with a deep understanding of developer experience (DX).
- Thrives in a fast-paced, in-office environment where they can contribute opinionated ideas to the product roadmap.
What makes it remarkable
Why this role is remarkable
- Work on world-class AI agents that recently achieved top-tier scores on global software engineering benchmarks.
- Join a YC-backed, well-funded team of experienced operators building security-critical tools for on-premise and VPC deployments.
- Shape the future of how engineers work by building tools that directly augment the software development lifecycle.
Jack & Jill
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.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
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 it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack