Python AI Engineer London - Hybrid Rate: 600 - 700 Per day - Inside IR35 Start: Mid October Contract - 6 Months Python AI Engineer required to develop production-grade Python services for Generative AI and complex RAG solutions. You will work across AI workflow orchestration, information retrieval, evidence processing, LLM integration, response generation and validation This role requires strong production Python experience and practical experience delivering Generative AI and RAG solutions beyond proof of concept. Job Responsibilities/Objectives:Design, develop and maintain production-grade Python services for Generative AI and RAG solutions.Build and integrate LLM workflows using structured outputs, tool calling, schema validation and controlled fallbacks.Implement vector, lexical and hybrid retrieval, metadata filtering, reranking and evidence selection.Build asynchronous services with appropriate timeout, retry, cancellation and exception handling.Develop automated unit, integration, regression and failure-path tests.Implement structured logging, tracing and operational monitoring.Monitor and optimise response quality, latency, token usage, cost and performance.Contribute to technical design, code reviews, engineering standards and production support. Required Skills/Experience:Strong commercial experience developing production-grade Python applications and services.Advanced Python skills, including asynchronous programming, type annotations, modular design and ..... full job details .....