Hybrid Principal AI Engineer — LLM Systems & Production

Company: Oliver Bernard

Location: London

Posted: April 27th, 2026

Oliver Bernard is looking for a Principal AI Engineer in Central London, offering a salary up to £150,000 plus bonuses. In this role, you will lead the design and build of production-grade systems using LLMs across various industries, including financial services and healthcare. The ideal candidate will have proven experience with LLM APIs, RAG architectures, and strong programming skills, preferably in Python. The position includes 3 days onsite and 2 days working from home. #J-18808-Ljbffr
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