Principal AI Platform Engineer London This is a standout opportunity to join a digital-first insurer that is scaling an entirely new AI function. You will be the first permanent hire into a growing division, giving you direct ownership of production AI systems, end-to-end agentic automation, and the technical direction of a brand-new platform. The Company They are a tech-led insurer transforming how complex home insurance is delivered. Their vision is to become the UK's first fully AI-driven insurer, supported by modern cloud infrastructure and a collaborative product-focused culture. The Role You will play a lead role in shaping, building, and scaling their AI platform, working closely with an AI Product Manager and senior leadership. Your work will focus on making AI production-ready, highly scalable, and reliable across the business. Key responsibilities include: \* Designing and delivering an AI platform that supports large-scale agentic automation and end-to-end claims journeys \* Building robust RAG pipelines, LLM-based systems, and deployment frameworks \* Developing AI agents for claims handling, internal tooling, and customer-facing chat solutions \* Evolving an internal AI assistant and expanding its capabilities across teams \* Working hands-on across cloud infrastructure, observability, evaluation, and optimisation \* Collaborating with engineering, product, and operations teams to take roadmap concepts into production Your Skills and Experience \* Strong commercial experience in AI engineering or software engineering with a focus on LLMs and production AI systems \* Expertise in deploying AI models and agents at scale, including RAG, embeddings, and LLM tooling \* Hands-on cloud engineering experience, ideally in GCP and its AI ecosystem \* Strong Python engineering ability and experience building production-grade services \* Experience working with vector search, data ingestion, observability, and experimentation frameworks \* A STEM background or equivalent technical capability What They Offer \* Salary up to 90,000 plus benefits \* Hybrid working with 1-2 days per week in their Sheffield office \* The chance to join as the first hire in a scaling AI division with a 10-role roadmap \* Significant autonomy, influence, and end-to-end ownership of AI platform design \* The opportunity to build cutting-edge agentic systems and production AI from the ground up How to Apply If you are excited by the opportunity, please apply with your CV.