Senior Artificial Intelligence Engineer

Permanent | £90,000 to £120,000 | London | Hybrid, 1 day per week onsite We're recruiting on behalf of a fast growing UK technology company building AI powered software used in critical, real world operations. The work goes straight into live production systems that real users depend on, in an environment where reliability and security are non negotiable. The Role We're looking for a Senior AI Engineer to join the team permanently, integrating LLMs and broader AI capabilities into production grade software. You'll work as part of a cross functional team, translating complex product requirements into reliable, scalable technical solutions and building AI that works in the real world, not just AI that demos well. What You'll Be Doing * Design, build and deploy production grade AI software * Apply emerging AI architecture patterns including RAG, agentic workflows, evals, fine tuning and LLM orchestration directly into the product * Collaborate closely with product and engineering teams to ship technical solutions at pace * Ensure the reliability and scalability of AI powered features in a demanding, high availability production environment * Contribute to raising AI engineering practices and standards across the wider team What We're Looking For * 3+ years professionally developing products involving AI, LLMs or applied machine learning/data science, with proven experience deploying models or AI systems into production * Strong understanding of AI and ML architectures and patterns including RAG, prompt engineering, fine tuning, evals and LLM orchestration, or equivalent applied ML/data science methods * Strong Python and/or TypeScript experience * Comfortable working in a fast paced product and engineering environment The Details * Permanent * £90,000 to £120,000 depending on experience * Hybrid working, 1 day per week in London * Opportunity to work on production AI systems solving complex, real world problems