Founding AI Platform Engineer — Stealth AI Start-up
£120,000-£160,000 + Equity + Benefits
London – Hybrid
I’m working with a AI start-up (backed by tier-1 European VCs) building a decision platform for high-stakes environments — helping teams navigate uncertainty and make better calls, faster.
What you’ll actually be doing:
Building core product features across backend, frontend & workflow systems
Turning fast-moving prototypes into reliable, reusable product surfaces
Designing interfaces that make complex AI outputs feel clear & trustworthy
Building the platform foundations — auth, permissions, APIs, observability
Working directly with the founding team — fast decisions, no bureaucracy
What we’re looking for:
✅ 5+ years building production software
✅ Strong full-stack chops (Python/FastAPI + React/TypeScript or equivalent)
✅ Solid SQL & data modelling instincts — comfortable in data-heavy B2B products
✅ Bonus: experience with agentic/LLM-powered products, tool use, evals, guardrails
✅ Bonus: API integrations (MCP, webhooks, OAuth) + cloud deployment (AWS)
Direct AI/ML experience isn’t a hard requirement — strong product engineering judgment matters more.
DM me or drop your CV/GitHub/portfolio — happy to share more on the product and team (confidential at this stage).
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