
Senior Data Scientist – Agentic AI
RELX
full-time
Posted on:
Location Type: Hybrid
Location: California • District of Columbia • United States
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Salary
💰 $115,400 - $192,300 per year
Job Level
Tech Stack
About the role
- Lead experimentation and model development for AI/ML solutions in legal products
- Design and evaluate NLP, LLM, and generative AI approaches (e.g., RAG, prompt strategies)
- Define agentic workflows and reasoning strategies for multi-step legal tasks
- Define 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
- Bachelor’s or Master’s degree in a relevant field (e.g., Computer Science, Data Science, Statistics, Mathematics)
- Strong experience in machine learning, NLP, and LLM-based modeling
- Proven 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
- Ability to define retrieval strategies, including hybrid search (semantic + lexical), and evaluation metrics (e.g., relevance, ranking quality)
- Able to analyze large-scale legal datasets to extract insights and improve model performance.
Benefits
- Eligible for an annual incentive bonus
- Country specific benefits
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
machine learningnatural language processinglarge language modelsgenerative AIprompt engineeringhybrid searchdata analysismodel evaluationPythonagent frameworks
Soft Skills
technical leadershipmentoringcollaborationcommunication
Certifications
Bachelor’s degreeMaster’s degree