Applied Scientist II, Alexa for Shopping Science UK

Job ID: 10457732 | Amazon Development Centre (London) Limited

We are looking for a passionate, talented, and inventive Applied Scientist with a strong machine learning background to help build industry‑leading language technology powering Alexa for Shopping, our AI‑driven search and shopping assistant, helping customers with their shopping tasks at every step of their shopping journey.

This innovative role focuses on developing and optimizing language model‑powered (LLM/SLM) conversational experiences. The core emphasis is to get the best performance out of LLMs/SLMs via careful and methodical instruction design, contextual grounding, informed choices of MCP tools and agent/multi‑agent systems, context engineering, model fine‑tuning, evaluation frameworks, and experimentation to systematically improve quality, robustness, and customer impact. The work combines scientific rigor with product intui...