> Markdown version of [/jobs/ext/4155577-senior-ai-engineer-perm-developer-productivity](https://www.wearedevelopers.com/jobs/ext/4155577-senior-ai-engineer-perm-developer-productivity). 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).

---

# Senior AI Engineer - Perm Developer Productivity

- **Company:** Lorien Resourcing
- **Location:** Manchester, UK
- **Experience:** Expert
- **Salary:** £100,000.0 - £110,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Code Review, Computer Programming, Continuous Integration, Python (Programming Language), Search Technologies, Software Engineering, SQL Databases, Datadog, Retrieval-Augmented Generation, Large Language Models, AI Coding Agents, Agentic-AI, Git, Fastapi, Kubernetes, Bitbucket, Docker, Jenkins
- **Published:** October 12, 2026
- **Apply:** https://www.totaljobs.com/job/senior-ai-engineer/lorien-resourcing-limited-job108172169

## About the Role

* Strong professional software engineering experience, including building and operating production software
 * Excellent programming and software design skills, with a solid grasp of testing, CI/CD and code review
 * Hands-on experience building with LLM APIs, including tool calling and agentic workflows
 * Day-to-day use of AI coding tools and agents on real codebases, with an evidence-based view of where they help and where they hurt
 * A practical understanding of how LLMs and agents fail: plausible but wrong code, fixes that mask symptoms, tests gamed to pass, context limits and cost growth
 * Experience integrating with Git platforms, CI/CD, issue trackers and observability tooling
 * Experience designing evaluations for AI outputs, or comparable experimental rigour
 * Python (or similar) and SQL for preparing code, documents and tickets for retrieval
 * Credibility with engineers and the ability to influence without line authority, including winning over sceptics
 * Helpful: Bitbucket, Jenkins/Harness, Docker, Kubernetes, AWS, FastAPI, MCP, DORA-style measurement, RAG and vector search, self-hosted open-weight models, or a regulated environment such as gambling or financial services