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HybridSeniorai/ml infra

Sr Data Scientist

LexisNexisChennai, Tamil Nadu, IndiaPosted 19 May 2026

LexisNexis is hiring a Senior Data Scientist to work on complex AI and GenAI projects within their legal and professional division. The role involves designing and deploying RAG pipelines, fine-tuning LLMs, and building scalable machine learning systems in production. Candidates must have advanced Python skills and deep expertise in modern generative AI tools and frameworks. This position offers exposure to large-scale data and requires collaboration with cross-functional product and engineering teams.

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Experience

6-8 years

Function

Research

Work mode

Hybrid, India

Company

Tier 2

What you will work on

LexisNexis is hiring a Senior Data Scientist to work on complex AI and GenAI projects within their legal and professional division. The role involves designing and deploying RAG pipelines, fine-tuning LLMs, and building scalable machine learning systems in production. Candidates must have advanced Python skills and deep expertise in modern generative AI tools and frameworks. This position offers exposure to large-scale data and requires collaboration with cross-functional product and engineering teams.

TAL's take

Quality 65/1005/5 clarityTier 2 company

Solid role at a globally recognized analytics company with clear technical expectations and specific domain focus.

JD provides clear responsibilities, a specific tech stack, and a defined seniority level.

Salaries at LexisNexis

21.5 LPA average

Based on 1 Grapevine salary entries for LexisNexis.

View all salaries

Other roles

6 - 8 years | Senior Software Engineer

21 LPA average

Range: 21 - 21 LPA

Must haves

  • 6-8 years of experience
  • Advanced proficiency in Python
  • Experience with machine learning and generative AI
  • Proficiency in RAG architecture
  • Experience with LLM frameworks like LangChain or LlamaIndex
  • Knowledge of SQL and cloud platforms

Tools and skills

pythonmachine learninggenerative airagllmsprompt engineeringsqlawsazuregcpscikit-learnxgboostlightgbmpytorchtensorflowhuggingfacelangchainllamaindex

Nice to have: mlops, lora, peft, qlora, autogen, langgraph, mlflow.

About the company

Established global information-based analytics provider, mid-tier due to lack of top-tier engineering brand status.

Posts mentioning LexisNexis