The median AI Engineer salary in United Kingdom is £89K in 2026, with a typical range from £84K to £102K. Year-on-year movement is still building as more matched salary data is published. London & South East currently leads city pay at £95K. This is base salary for permanent employees. Contracting instead? See day rates for this role below.
What does An AI Engineer do?
An AI Engineer is responsible for designing and integrating AI and LLM-powered features into products and workflows.
Day-to-day responsibilities
- Building RAG pipelines
- Integrating OpenAI or Anthropic APIs
- Fine-tuning models
- Managing vector databases like Pinecone or Weaviate
- Evaluating model outputs
Low demand+21% LangChain / LlamaIndex+18% Vector databases (Pinecone, Weaviate)+23% Fine-tuning (LoRA, PEFT)