Principal AI Engineer - London (£150,000 + bonus)
Up to £150,000 + bonus + additional package
3 days onsite, 2 days WFH - Central London
We're supporting a specialist data & AI consultancy operating at the forefront of applied AI, partnering closely with global leading AI labs.
Responsibilities:
- Lead the design and build production-grade systems using LLMs
- Working across RAG pipelines, vector databases, and agentic workflows
- Take AI from concept to real-world impact across industries like financial services, energy, and healthcare
- Liaise with stakeholders internally and externally to understand business problems and translate into technical solutions
Requirements:
- Proven experience building applications with LLM APIs, with a strong understanding of their real-world capabilities, limitations, and failure modes
- Hands-on experience implementing RAG architectures, vector databases, knowledge graphs, and effective prompt/context engineering
- Experience designing and developing multi-step LLM workflows and agent-based systems
- Strong programming skills (Python preferred) with experience building production-grade APIs and services
- Experience working with cloud platforms (AWS, Azure, or GCP) and deploying systems into production
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