Senior AI Engineer - Agents in Fintech

Looking to build production GenAI products with measurable business impact?

Want to solve the challenges of deploying LLM applications across a large, regulated organisation?

Interested in joining a growing AI function with end-to-end ownership across multiple enterprise use cases?

A major UK financial services business is expanding its AI delivery capability and hiring a Senior AI Engineer. The wider MLOps function includes 12–15 engineers, with this role sitting within a small AI delivery team focused on building and product ionising AI solutions across the business. Current projects include a RAG-based contact centre assistant, AI-supported complaints handling and extracting fraud signals from network graphs.

You'll join a fast-paced environment with significant autonomy across several active AI initiatives.

The Senior AI Engineer will design, build and product ionise LLM-powered applications while working across engineering, data science, security and business teams. You'll have end-to-end technical ownership with scope to influence architecture, technical recommendations and build-vs-buy decisions.

• Design, build and product ionise LLM and Generative AI applications
• Develop solutions using RAG, conversational AI and AI-driven workflows
• Own technical delivery from architecture through to production deployment
• Integrate AI applications with enterprise systems and data sources
• Make architectural recommendations and evaluate build-vs-buy decisions
• Partner with Info Sec and Data Protection teams on secure AI delivery
• Communicate technical decisions and trade-offs across engineering and business teams

Up to £95,000 base + 15% annual bonus

Hybrid, 2–3 days per week in the London office

Production LLMs / Generative AI, RAG, AWS ideally. Further stack details not confirmed.