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RELX1 week ago

Senior Data Scientist II

On-site · London, England, United Kingdom

Type
Full Time
Level
Senior Level
Education
Not Specified
Company size
Enterprise

Job Summary

Senior Data Scientist II to design and deliver advanced AI, NLP, and generative AI solutions for scientific knowledge discovery and decision support; develop LLM-powered workflows and retrieval-augmented generation (RAG) systems for search, summarization, question answering, and evidence-grounded insight generation; build intelligent retrieval, ranking, recommendation, and decision-support capabilities; integrate ontologies and knowledge assets into scalable AI workflows; establish evaluation, experimentation, and monitoring frameworks to ensure quality, trust, performance, and reliability; write production-grade Python code and mentor teams to deliver scalable solutions.

Required Qualifications

  • Practical experience in data science, AI, machine learning, NLP, information retrieval, or related quantitative field
  • Hands-on experience building AI/ML, NLP, generative AI, and retrieval-based systems in applied/product-focused environments
  • Expertise working with LLMs, including fine-tuning, prompt engineering, grounding strategies, and responsible AI practices
  • Strong Python skills and solid machine learning fundamentals
  • Experience working with large-scale text or content-rich datasets and modern AI/ML frameworks
  • Experience with RAG, semantic, vector, or hybrid search, along with experimentation and evaluation approaches that measure user impact
  • Familiarity with cloud platforms and modern software engineering practices
  • Strong communication, collaboration, and mentoring skills
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RELX

Senior Data Scientist II

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