Senior AI-Driven Full-Stack Engineer (Client-Facing)

Junior in London is seeking a senior software engineer to own features end to end across the frontend, backend and data layer, shipping on a weekly cadence and speaking directly with paying customers.

You’ll be deeply hands-on with TypeScript, Next.js and PostgreSQL, able to design polished React/Next.js interfaces, tackle hard TS problems live, and help shape Junior’s engineering culture as the team grows in Farringdon. 5+ years of experience required; London-based or relocating to Farringdon.

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