Wave Group
Full Stack Engineer
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Senior Full Stack Engineer (TypeScript, AI/LLM)
London | £80,000 - £120,000 | Hybrid, 3 days onsite
We're partnering with an AI-native software company building mission-critical tools for frontline public sector teams. Their users work in high-pressure environments where slow, fragmented systems cost time that matters. They're replacing that with a single, intelligent platform built around how people actually work.
They're now hiring a Senior Full Stack Engineer to join as an early member of a small engineering team, someone who wants real ownership of the product from day one rather than a backlog handed down to them.
What you'll be doing
- Owning features end to end, from talking to users and forming your own view on what to build through to shipping in production
- Building LLM-powered and real-time features that go beyond simple prompting, including voice and live data workflows
- Building across a modern TypeScript stack (React, Next.js, Node, NestJS) backed by Postgres and AWS
- Working directly with the founders, with real influence over technical and product direction
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What they're looking for
- 4 to 9 years of experience, with strong, production-scale TypeScript and React
- Solid back-end depth in Node (NestJS a plus), not just front-end
- Startup or scale-up experience where you've shaped what got built, not just executed a spec
- Hands-on experience building with LLMs or AI systems, not just using AI tools day to day
- Someone who thinks in user problems first and technical solutions second
- Able to obtain UK security vetting (right to work and a clean UK address history required)
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Why this one's worth a look
- A small team of generalists who move fast, ship often, and keep a high bar
- Real early-stage ownership in a company with a clear, meaningful mission
- Products used by people doing genuinely important work every day
For more information, hit APPLY and I'll book in a call with you to answer any questions you may have.
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