via reed · 9 June 2026 ·5 days ago

Lead Engineer

Harvey Nash
London Full-time GBP 67,500 – 130,000
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Lead Engineer - Generative AI | Python | AWS | LLMs Location: London or Knutsford (Hybrid)

We are working with a global financial services who are looking for an experienced Lead Engineer to join a high-profile Generative AI feature team developing AI-powered applications used daily by thousands of colleagues across the organisation.

This is an opportunity to play a key role in shaping the firms Generative AI strategy while leading the design, development, and deployment of innovative AI solutions within a highly regulated enterprise environment.

What You'll Be Doing

• Leading the design and development of production-grade AI applications.

  • Acting as a Subject Matter Expert (SME) for Generative AI technologies.

  • Working closely with product, engineering, and business stakeholders to deliver scalable solutions.

  • Evaluating and optimising Large Language Models (LLMs) and prompts.

  • Supporting cloud-native deployments and DevOps initiatives.
Essential Skills

• Strong Python development experience.

  • Experience building applications using Large Language Models (LLMs), delivering AI solutions within regulated environments.

  • Hands-on AWS experience including Bedrock, Lambda, S3, Lex, and CloudWatch.

  • Experience with prompt engineering and LLM evaluation.

  • Strong stakeholder management and communication skills.
Why Join?

• Work on enterprise-scale AI products.

  • Influence Generative AI strategy within a leading global financial institution.

  • Collaborate with some of the industry's leading engineers and AI practitioners.

  • Deliver solutions that create measurable impact across the organisation.
If you're passionate about AI, cloud engineering, and leading technical innovation at scale, we'd love to hear from you.

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