Senior Python AI Engineer - Production-Grade LLMs & RAG

WTW in London is seeking a Senior Python AI Engineer to design and build production AI-enabled services. You’ll work on generative AI, agentic systems and RAG, solving real orchestration and grounding problems at enterprise scale.

Strong Python, LangGraph/LangChain, FastAPI and Azure experience required. You’ll implement scalable APIs, AI workflows, and integration with enterprise data stores, collaborating with architects and product teams to ship reliable AI applications.