276 to 300 of 347 OpenAI Jobs in the UK

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
Bath, Somerset, 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
Chelmsford, 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 ...

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

Hiring Organisation
ECW Search
Location
Stoke-on-Trent, Staffordshire, 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

Hiring Organisation
Ralio
Location
Slough, Berkshire, UK
Employment Type
Full-time
clarity to go fast. What You'll Bring Experience building products with AI Familiarity with agentic frameworks like Autogen, LangGraph, Google's ADK, OpenAI Agents SDK Programming languages are a tool, ideally you are proficient in more than one, but we use Python and Typescript You have full stack experience ...

Founding Engineer

Hiring Organisation
Ralio
Location
London Area, United Kingdom
clarity to go fast. What You’ll Bring Experience building products with AI Familiarity with agentic frameworks like Autogen, LangGraph, Google’s ADK, OpenAI Agents SDK Programming languages are a tool, ideally you are proficient in more than one, but we use Python and Typescript You have full stack experience ...

Founding Engineer

Hiring Organisation
Ralio
Location
City of London, London, United Kingdom
clarity to go fast. What You’ll Bring Experience building products with AI Familiarity with agentic frameworks like Autogen, LangGraph, Google’s ADK, OpenAI Agents SDK Programming languages are a tool, ideally you are proficient in more than one, but we use Python and Typescript You have full stack experience ...

AI Consultant

Hiring Organisation
Data Cubed
Location
Newport, UK
experience - we're tech-agnostic, so we work with a range of cloud, ETL/ELT, data warehouse, BI + AI tools (eg ChatGPT, OpenAI, Gemini, Claude, N8N, Zapier, Coda...) § Evidence that you're an AI-advocate and experiment with new technology § Experience in a similar client-facing AI consultancy ...

AI Consultant

Hiring Organisation
Data Cubed
Location
Bradley Stoke, Gloucestershire, UK
experience - we're tech-agnostic, so we work with a range of cloud, ETL/ELT, data warehouse, BI + AI tools (eg ChatGPT, OpenAI, Gemini, Claude, N8N, Zapier, Coda...) § Evidence that you're an AI-advocate and experiment with new technology § Experience in a similar client-facing AI consultancy ...