> Markdown version of [/jobs/ext/3520699-ai-engineer](https://www.wearedevelopers.com/jobs/ext/3520699-ai-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Engineer - **Company:** Buildretrieval-augmented - **Location:** Rochdale, UK - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Python (Programming Language), Regression Testing, Software Engineering, TypeScript, Large Language Models, Prompt Engineering - **Published:** October 1, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/ai-engineer/49639247 ## About the Role You ship production LLM features end-to-end - retrieval, prompting, tool-calling, evaluation and the boring-but-critical plumbing that makes them fast, cheap and reliable. You care about latency, cost and correctness in equal measure.What you'll buildRetrieval-augmented features that turn messy business documents into decisions.Tool-calling agents that safely operate inside our customers' workflows.Evaluation datasets and regression tests for every prompt in production.Instrumentation that lets us reason about cost, latency and quality per feature.Requirements4+ years software engineering; 1+ shipping LLM features to real users.Fluent in Python or TypeScript; comfortable across both.Understand embeddings, retrieval, prompt design and evaluation.Rigorous about testing, observability and cost.Right to work in the UK. #J-18808-Ljbffr