Founding Engineer

Founding Engineer| Relationship Intelligence Platform | London

Up to £140k · 4 days onsite, Central London

We're working with an early-stage startup building a relationship intelligence platform for institutional sales. It helpings asset managers understand who matters, how people and organisations connect, and where to act next, using enterprise data, relationship graphs and AI.

They're looking for a Founding Engineer to own features end-to-end: React/Next.js/TypeScript on the frontend, TypeScript or Python on the backend.

You'll:

• Build and ship across frontend, backend, data and infra
• Develop AI-assisted features on complex relationship/market data
• Work directly with pilot customers, from idea to production

You have:

• Strong React/TypeScript experience in production
• Backend experience in TypeScript, Python, or both
• Comfort with AI dev tools, high bar for code quality

Nice to have: LLM/AI agent experience, enterprise integrations or startup background.

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