Principal AI Engineer

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

3 days onsite, 2 days WFH - Central London

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