Artificial Intelligence Engineer

Loop Recruitment

LLM EngineerseniorManchester Area, United KingdomhybridfulltimeInsurancePythonFastAPICeleryPostgresvector databasesRAGLangChainLlamaIndexposted
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AI Engineer (AI Systems) | Leading Insurance Brand Package : Up to £80,000 + 15% Bonus + 10% Pension Locatio n : Manchester (Hybrid) We’re partnering with a forward-thinking organisation investing heavily in next-generation AI systems to power intelligent, data-driven applications. This is a high-impact Senior Engineer role within a growing engineering function. You’ll take ownership of designing and delivering scalable AI-driven systems, working across the full lifecycle — from architecture through to deployment and optimisation in production. If you enjoy building from first principles, working with modern LLM frameworks, and shaping how AI is embedded into real-world products, this is a genuinely exciting opportunity. The Role You’ll be responsible for architecting and optimising intelligent systems, ensuring they are scalable, performant and production-ready. Key Responsibilities * Designing and optimising AI-driven architectures * Implementing vector and graph database solutions * Building Retrieval-Augmented Generation (RAG) pipelines * Developing agentic reasoning workflows (LangChain, LlamaIndex or similar) * Managing the end-to-end AI lifecycle — ingestion, embeddings, extraction, synthesis, prompt engineering and orchestration * Deploying and maintaining containerised models in Docker-based environments * Collaborating closely with product and business stakeholders * Mentoring and supporting more junior engineers What We’re Looking For * Strong Python engineering background * Experience with FastAPI, Celery and Postgres * Hands-on experience with vector databases and graph databases * Experience building RAG-based systems * Experience with agentic/orchestration frameworks (e.g. LangChain, LlamaIndex) * Solid understanding of LLMs, embeddings and prompt engineers The Environment * Collaborative, engineering-led culture * Strong focus on innovation and continuous improvement * Flexible hybrid working * Opportunity to shape AI capability from the ground up * Modern cloud-native architecture This role would suit someone who enjoys technical ownership, thinking architecturally, and building intelligent systems that have genuine business impact.