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Founding Product Engineer Equity at YC-backed AI-native code review platform

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Jack & Jill
Full Time position
Listed on 2026-06-13
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer, AI Engineer (Applied/Software), Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 70000 - 120000 GBP Yearly GBP 70000.00 120000.00 YEAR
Job Description & How to Apply Below
Position: Founding Product Engineer (£70k-£120k + Equity) at YC-backed AI-native code review platform
Location: Greater London

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

Location

London, UK

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.

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 Git Hub 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.
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