> Markdown version of [/jobs/ext/350121-founding-ai-platform-engineer-stealth-ai-start-up](https://www.wearedevelopers.com/jobs/ext/350121-founding-ai-platform-engineer-stealth-ai-start-up). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Founding AI Platform Engineer - Stealth AI Start-up - **Company:** Stealth Ai Start-up - **Location:** UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Python (Programming Language), OAuth, SQL Databases, TypeScript, ReactJS, Backend, Fastapi, AI Platforms, Front End Software Development, Webhooks, Api Management - **Published:** June 20, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/x/39526884/ ## About the Role 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. ## Related Videos - [Building Products in the era of GenAI](https://www.wearedevelopers.com/videos/827-building-products-in-the-era-of-genai) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [How to start an AI project for a good cause and boost your career](https://www.wearedevelopers.com/magazine/15-how-to-start-an-ai-project-for-a-good-cause-and-boost-your-career) - [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)