151 to 175 of 199 OpenAI Jobs in the UK excluding London

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Liverpool, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Luton, Bedfordshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Woking, Surrey, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Basildon, Essex, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Gloucester, Gloucestershire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Cheltenham, Gloucestershire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Portsmouth, Hampshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Plymouth, Devon, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Maidstone, Kent, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Ipswich, Suffolk, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Chester, Cheshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Colchester, Essex, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Preston, Lancashire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Exeter, Devon, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Reading, Berkshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Wolverhampton, West Midlands, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Stockport, Greater Manchester, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
York, North Yorkshire, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...

Founding Engineer - Mobile & AI (Stealth Start-up | Launching 2026)

Hiring Organisation
ECW Search
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What ...