Relx Group

Senior Data Scientist II

Relx Group$104K — $174K *
Legal & Accounting
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree or above in a quantitative or technical field (Statistics, Computer Science, Mathematics, Data Science, etc.)
  • Strong experience in machine learning, NLP, and LLM-based modeling.
  • Experience with generative AI techniques (e.g., prompt engineering, RAG).
  • Experience designing and evaluating hybrid search (using embeddings and vector databases).
  • Proficiency in Python and data analysis tools.

Responsibilities

  • Develop and implement NLP, LLM, and generative AI approaches.
  • Define agentic workflows and reasoning strategies for multi-step legal tasks.
  • Develop retrieval strategies and evaluation metrics for legal datasets.
  • Analyze large-scale legal datasets to extract insights and improve models.
  • Establish best practices for model evaluation, validation, and benchmarking.
  • Translate experimental results into product recommendations and business impact.
  • Mentor team members and provide technical leadership in data science and AI.

Benefits

  • Annual incentive bonus eligibility based on performance.
  • Country specific benefits tailored for employee well-being and happiness.
Full Job Description
Are you looking to develop your Data Scientist career? Would you enjoy training more junior team members? We are seeking a Senior Data Scientist II to help lead the design and validation of AI-driven product capabilities within the legal domain. This team is global AI platform team that builds AI products and ships AI features to production. The team works on cutting edge AI technology and extensively leverages latest AI tools/Features as part of product. Responsibilities:
  • Develop and implement NLP, LLM, and generative AI approaches (e.g., RAG, prompt strategies).
  • Define agentic workflows and reasoning strategies for multi-step legal tasks.
  • Develop retrieval strategies, including hybrid search (semantic + lexical), and evaluation metrics (e.g., relevance, ranking quality).
  • Analyze large-scale legal 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, legal experts, and engineers to align solutions with user needs.
  • Mentor team members and provide technical leadership in data science and AI.
Requirements:
  • Master's degree or above in a quantitative or technical field (Statistics, Computer Science, Mathematics, Data Science, etc.).
  • Strong experience in machine learning, NLP, and LLM-based modeling.
  • Strong experience designing and running experiments, including model evaluation and iteration.
  • Experience with generative AI techniques (e.g., prompt engineering, RAG).
  • Experience designing and evaluating hybrid search (semantic + lexical) using embeddings and vector databases.
  • Experience designing agentic workflows and reasoning strategies, with hands-on experience applying agent frameworks (e.g., LangChain, LangGraph, AutoGen) in real-world use cases.
  • Proficiency in Python and data analysis tools.
  • Strong foundation in statistics, modeling, and large-scale text processing.
U.S. National Base Pay Range: $104,900 - $174,700. Geographic differentials may apply in some locations to better reflect local market rates.This job is eligible for an annual incentive bonus. We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location.

About Relx Group

RELX Group is a global provider of information-based analytics and decision tools for professional and business customers. The company operates in four market segments: scientific, technical and medical; risk and business analytics; legal; and exhibitions. RELX's products and services include electronic databases, online information services, workflow tools, and print and digital books. The company was founded in 1993 and is headquartered in London, England.
Learn more about Relx Group
Size
33,500 employees
Market Cap
$53.1 billion
Industry
Net Income
$1.2 billion
Founded
2018
5 Year Trend
+1%
Revenue
$7.1 billion
NASDAQ

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