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RELX

Global information analytics and decision tools

Data Scientist 3

Natural Language Processing & LLMsConfirmed live in the last 24 hours
Full-timeFarringdon, London, UKNo salary listedIn-person

About the Job

Requirements

  • A degree in a quantitative or technical field, such as Statistics, Computer Science, Mathematics, or Data Science.
  • Strong experience in machine learning, natural language processing, and large language model-based modeling.
  • Strong experience designing and running experiments, including model evaluation and iteration.
  • Strong coding skills in Python.
  • Experience with generative artificial intelligence techniques such as prompt engineering and retrieval-augmented generation.
  • Experience designing and evaluating hybrid search using semantic and lexical methods, embeddings, and vector databases.
  • Experience designing agentic workflows and reasoning strategies, with hands-on experience applying agent frameworks such as Google ADK, LangChain, LangGraph, or AutoGen in real-world use cases.
  • Proficiency in data analysis tools.
  • A strong foundation in statistics, modeling, and large-scale text processing.

Responsibilities

  • Develop and implement natural language processing, large language model, and generative artificial intelligence approaches, including retrieval-augmented generation, prompt strategies, and patent search.
  • Define agentic workflows and reasoning strategies for multi-step intellectual property tasks.
  • Develop retrieval strategies, including hybrid semantic and lexical search, and evaluation metrics such as relevance and ranking quality.
  • Analyze large-scale intellectual property datasets to extract insights and improve model performance.
  • Establish best practices for model evaluation, validation, and benchmarking.
  • Translate experimental results into clear product recommendations and business impact.
  • Collaborate with product teams, intellectual property experts, and engineers to align solutions with user needs.

About the Company

RELX

Global information analytics and decision tools

RELX is a global provider of information-based analytics and decision tools for professionals across scientific, technical, medical, legal, risk, business, and exhibitions industries. It operates in four segments: Scientific, Technical & Medical; Risk & Business Analytics; Legal; and Exhibitions. Its products combine large datasets, analytics, and decision-support tools to help researchers, healthcare professionals, lawyers, and business leaders make informed choices, improve productivity, and achieve better outcomes. Revenue mainly comes from subscriptions, with additional income from transactional sales and advertising. RELX differentiates itself through its deep data assets, specialized industry knowledge, and multi-segment offerings that span content, analytics, and decision-support services. The company pursues a goal of delivering trusted information and insights while supporting corporate responsibility and alignment with the UN SDGs through its products and partnerships.

Company size
1,001-5,000
Company stage
IPO
Headquarters
London, United Kingdom
Founded
1894

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