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.
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
Extreme demand+21% LangChain / LlamaIndex+18% Vector databases (Pinecone, Weaviate)+23% Fine-tuning (LoRA, PEFT)