Sr Data Scientist

Hybrid Full TimeChennai, Tamil Nadu, IndiaRELX

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)

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