We are looking for an experienced AI Engineer / Generative AI Engineer to join a major enterprise AI programme in London with a international Bank. This is an excellent opportunity for an AI Engineer with strong hands-on experience across Generative AI, Large Language Models (LLMs), RAG, GitHub Copilot and Agentic AI. You will be building real-world AI applications, intelligent assistants, copilots and automation solutions while helping engineering teams adopt the latest AI development technologies. What You''ll Be Doing Design, build and deploy Generative AI and LLM-powered applications Develop AI assistants, copilots and intelligent automation solutions Build Retrieval-Augmented Generation (RAG) applications Work with vector databases and enterprise knowledge sources Integrate LLM and AI services through APIs and cloud architectures Develop and optimise prompts for enterprise AI applications Skills and Experience We are particularly interested in candidates with experience across several of the following: Generative AI / LLMs Large Language Models (LLMs) Generative AI application development GitHub Copilot Claude Code OpenAI GPT / Azure OpenAI Anthropic Claude APIs Agentic AI LangChain LangGraph CrewAI Software Engineering Strong development experience with Python, JavaScript/TypeScript, C# or Java REST APIs and microservices Software architecture and engineering best practices Desirable Skills Experience with any of the following would be advantageous but not ..... full job details .....