Harnham - Data & Analytics Recruitment
AI Engineer
AI Engineer at Harnham - Data & Analytics Recruitment, based in London, South East England, paying £100,000 - £150,000 per annum. This is a permanent role with hybrid working.
- Pay
- £100,000 - £150,000 per annum
- Hours and contract
- Permanent · Hybrid
- Location
- London, South East England
- Closing date
- Sector
- Data Analyst
About 95% above the going rate for data analyst
Reference 57494818
About the role
London (Hybrid, 3 days in office) | Competitive Salary + Bonus + BenefitsJoin a growing AI engineering team building production-grade LLM systems used to solve complex knowledge and workflow challenges. This is a hands-on opportunity to work on agentic AI, RAG and evaluation frameworks in a highly technical, fast-moving environment.The CompanyThey are building an AI platform that helps organisations automate complex workflows and make better decisions using proprietary data, external sources and advanced AI technologies. Backed by an established business, they combine startup agility with strong commercial foundations.The Role
- Build multi-step AI agent workflows using LangGraph, LangChain or similar frameworks
- Develop production RAG pipelines, embeddings and retrieval systems
- Design AI evaluation frameworks and testing infrastructure
- Optimise model performance, reliability, latency and cost
- Build backend services in Python and contribute to cloud-based systems
- Mentor engineers and influence technical direction at Lead level
- Strong commercial Python engineering experience
- Production LLM or ML systems experience
- Expertise with agent orchestration frameworks
- Strong RAG, vector database and retrieval evaluation knowledge
- Experience with graph-based retrieval or graph data modelling
- Familiarity with AI coding tools such as Cursor or Claude Code
- Competitive salary, bonus and benefits
- Senior and Lead level opportunities
- High ownership and technical autonomy
- Clear progression as the team grows
- Exposure to cutting-edge AI technologies
Reference: 57494818 · Posted 5 hours ago · Closes 7 Dec 2026 · Listed via Harnham - Data & Analytics Recruitment
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