Principal AI Engineer

Salary: £80,000 – 80,000 per year Requirements: At least 1 year of experience building complex LLM-based systems, with strong prompt engineering intuition and experience designing agentic workflows. Ability to design meaningful evaluation methods, including custom metrics and frameworks when off-the-shelf options are insufficient. Strong software engineering fundamentals, architectural thinking, and fluency in Python; comfort working with production infrastructure, cloud environments, and CI/CD…