Sr Data Scientist
RELXChennai, Tamil Nadu, India • Gurgaon, Haryana, India
Posted April 9, 2026
Full Time
About the Company
LexisNexis Legal & Professional provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision-making, achieve better outcomes, and advance the rule of law around the world.
Job Description
LexisNexis Legal & Professional is seeking a Sr. Data Scientist to work on complex projects involving AI, GenAI, RAG, and Agentic Solution for business delivery projects. The role requires experience in machine learning, generative AI, and retrieval-augmented generation pipelines, as well as collaboration with engineering, product, and SMEs to deliver AI-driven features.
Requirements
- Design, develop, and deploy machine learning and GenAI solutions in production environments
- Build and optimize Retrieval-Augmented Generation (RAG) pipelines
- Fine-tune and evaluate Large Language Models (LLMs)
- Develop prompt engineering strategies and evaluation frameworks
- Implement scalable ML pipelines using Python
- Work with structured and unstructured data sources
- Collaborate with Engineering, Product, and SMEs to deliver AI-driven features
- Monitor model performance, drift, and reliability in production
- Conduct experimentation, A/B testing, and performance benchmarking
- Contribute to architecture design for AI-powered systems
Benefits
- Comprehensive Health Insurance
- Enhanced Health Insurance Options
- Group Life Insurance
- Group Accident Insurance
- Flexible Working Arrangement
- Employee Assistance Program
- Medical Screening
- Modern Family Benefits
- Long-Service Awards
- New Baby Gift
- Subsidized Meals in Chennai
- Various Paid Time Off
- Free Transport pick up and drop from the home-office-home (applies in Chennai)
