Flexible Work, Better Balance
Location: Hybrid working – occasional office presence. London or Nuneaton when required.
Holland & Barrett is investing heavily in the next generation of digital and AI capability, not as an experiment, but as a core part of how we help millions of customers live healthier lives.
If you’re someone who loves the intersection of LLM systems, experimentation, and real world product impact, this is the kind of role where your work won’t stay hidden. You’ll see it live, in customer‑facing journeys, SEO performance, personalisation, and in the quality of the content we publish.
And to be clear: this is not a role for someone who has only ever engineered prompts in isolation. You’ll definitely write prompts, but the value comes from understanding how LLMs behave in real systems, with real data, and knowing how to evaluate, measure, optimise and deploy them at scale. If you have the data science mindset ...