Principal Data Scientist I

RELX London, England Sep 22, 2025

Type Full Time
Pay Not listed
Work Onsite
Level Senior

The Principal Data Scientist I position centres on building , and optimise agentic systems capable of breaking down complex tasks into executable steps. It would suit someone who can bring warm, steady communication with children and families to the role.

What the work leans on

Access to emergency care for both the elderly and children. RECARES days, giving you time to support the charities and causes that matter to you.

Where the technical work sits

  • Build, and optimise agentic systems capable of breaking down complex tasks into executable steps.
  • Innovate in context engineering strategies (retrieval-augmented generation, dynamic context construction, memory management) to maximise LLM effectiveness.
  • Select, fine-tune, and adapt large language models (LLMs) to align with agent objectives.

Technical requirements

  • Hands-on experience in LLMs or applied AI research in a commercial environment.

Practical details

  • Generous holiday allowance with the option to buy additional days.
  • Access to a competitive contributory pension scheme.
  • Additional detail: Pension support may be included.

Job details

  • Benefits mentioned: Pension, Holiday allowance
Career guide

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