Distributed Systems Engineer - LLM/RAG Platforms, £700-£1000 (Outside IR35) Banking, London/Remote Building a Senior AI Engineering Team (LLM + Distributed Systems) Global Investment Bank | Capital Markets Platform London (1-2 days onsite) £700-£1200 day (Outside IR35) Dependent on role - Contract to permanent available12-month contracts The Mandate We are building a production-grade AI platform inside a global investment bank. This is not a research team or a chatbot project. This is engineering-heavy, focused on integrating LLM systems into large-scale, distributed environments used by trading and quant teams. We are hiring across multiple levels: Lead Engineer (Agentic/RAG focus) Architect (end-to-end platform design- Agentic/RAG focus) Senior Engineers (x3) Agentic/RAG focus Potential Director-level hire to oversee the function What This Role Requires (Read Before Applying) You must have: Experience building distributed systems at scale Strong background in Back End or data engineering Proven experience working on production systems with real users Hands-on experience with LLMs in production (RAG, embeddings, etc.) If your experience is limited to courses, side projects, or chatbot builds, this role is not a fit. What You''ll Be Working On LLM-powered systems integrated into enterprise-grade platforms RAG pipelines over large internal datasets (structured + unstructured) High-throughput, low-latency services Multi-step workflows combining LLMs, data pipelines, and ex