Senior AI Backend Engineer
2 weeks ago
Senior Backend Engineer | AI Infrastructure | London (Hybrid) We're partnering with a fast-growing AI infrastructure startup that's redefining how organizations deploy and scale AI technologies. Their platform enables global enterprises to implement, monitor, and continuously improve their AI and tech rollouts — giving teams true "speed-of-innovation" superpowers. As a Senior Backend Engineer, you'll take ownership of core backend systems powering an advanced AI platform that integrates production-ready LLMs and agentic systems. You'll architect scalable backend services, build RAG pipelines, and integrate AI components into distributed systems that enable real-world, production-scale AI deployment. Architect and develop backend systems (Python, FastAPI, Flask, NodeJS) Integrate AI/LLM components into backend services Collaborate with a small, elite team of engineers and AI researchers 4+ years of backend experience (Python, distributed systems, async APIs) ~ Proven experience integrating AI or LLM systems (LangChain, vector DBs, etc.) ~ Excited by ambiguity, ownership, and building from zero to one ~ Equity options + startup benefits package ~ Hybrid work (2–3 days/week in London) ~ Build the foundation of a world-first Agentic Tech Deployment Platform Work hands-on with LLMs and AI integrations at production scale Join a world-class team at the intersection of AI, infra, and enterprise scale
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Backend AI Engineer
2 weeks ago
Slough, Berkshire, United Kingdom Harnham Full timeDo you want to build the infrastructure powering the next generation of AI agents? Have you scaled backend systems that drive automation at speed? Ready to join a profitable AI startup transforming how industries deploy technology? A profitable, fast-growing AI company is building the "roads" for AI agents — providing the infrastructure that lets...
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Backend Engineer
2 weeks ago
Slough, Berkshire, United Kingdom Oliver Bernard Full timeBackend Engineer - Python, Rust Paying £90k-£140K + Equity 5 days a week onsite in Central London Oliver Bernard have partnered with a stealth AI company, founded by world-class engineers with backgrounds from top-tier Silicon Valley firms, is looking to grow its core engineering team in London. This is a rare opportunity to join a well-funded,...
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Senior Software Engineer
2 weeks ago
Slough, Berkshire, United Kingdom Cyberstaff Full timeOverview We're building an AI workforce that lets small businesses run and grow themselves. Working alongside technical founder Kai Feller (previous company was UK's largest bootstrapped exit of $300m), we're assembling an elite founding team that moves fast and gets things done. As a Senior Software Engineer (Backend), you'll design and build the systems...
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Head of AI Engineering
2 weeks ago
Slough, Berkshire, United Kingdom Bibex Full timeHead of Engineering (Founding Team) London / Remote | Full-time | Early-stage startup Bibex is building the global IP discovery platform for publishing, film/TV and beyond. We use AI to surface high-potential stories from fragmented global markets, connecting them with scouts, publishers, studios and producers. We're backed by experienced founders (Footnote...
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(Senior) AI DevOps Engineer
12 hours ago
Slough, Berkshire, United Kingdom MUFG Investor Services Full timeMUFG Investor Services is a trusted partner to many of the world’s largest public and private funds, providing asset servicing and operational solutions built for alternatives. With over $1 trillion in client assets under administration, we offer fund administration, banking, payments, fund financing, foreign exchange overlay, corporate and regulatory...
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Senior AI Engineer
2 weeks ago
Slough, Berkshire, United Kingdom Saragossa Full timeDo you want to get on the AI train? This is your chance. You're going to be coming in to build out various AI solutions, specifically LLM/GenAI products that have been designed for clients. You'll be joining a team of AI Engineers who have the core AI experience, but in some cases aren't hardcore engineers who can build out the in-depth software backend....
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Backend developer
13 hours ago
Slough, Berkshire, United Kingdom Cogna Full timeit is a societal one. These companies face unique, complex challenges that typical software was never designed to solve. Our mission is to give critical industries their own AI-powered Software Factory: a way to build and deploy bespoke digital tools that solve pressing operational challenges. We're backed by leading VCs, including Notion Capital and...
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Lead Software Engineer . AI Innovation
13 hours ago
Slough, Berkshire, United Kingdom Clarivate Full timeWe are looking for a Lead Software Engineer to join our AI Engineering team in London. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and LLM-based applications. You will be joining a small, highly skilled engineering team,...
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Senior Software Engineer
13 hours ago
Slough, Berkshire, United Kingdom Signal AI Full timeWe're on a mission to change the way businesses make decisions with our cutting-edge AI technology. To achieve that, we're looking for passionate people to join our open and unconventional workplace. Our inclusive environment welcomes skills and experiences from diverse backgrounds, and defines who we are. About The Role You'll join a small, impact-driven...
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Founding AI Engineer | YC Start Up
12 hours ago
Slough, Berkshire, United Kingdom Oho Group Ltd Full timeFounding Engineer – AI Startup (Onsite) Ready to build something extraordinary? This is your chance to be one of the first engineers at a high-growth AI startup that's redefining what's possible with intelligent systems. We're talking true zero-to-one engineering — shaping the product, the culture, and the company from day one. You'll work alongside an...