Senior Data Scientist

Cognizant

5 - 10 years

Chennai

Posted: 4/18/2025

Job Description

Job Summary

8 plus years of exp.

Strong Python programming fundamentals

Basic SQL knowledge

Understanding of AI/ML and Agents concepts

Enthusiasm for learning new technologies

Problem solving mindset

Responsibilities

Design and optimize prompts for large language models

Develop complex chains and agents using LangChain framework

Build RAG systems using enterprise knowledge bases

Create and maintain Python based AI applications

Document prompt strategies and maintain prompt libraries

Evaluate and fine tune LLM performance

About Company

Cognizant is a global leader in technology and consulting services, helping businesses transform their operations through digital solutions. Specializing in IT services, including software development, business process outsourcing, and consulting, Cognizant supports clients across industries such as healthcare, financial services, manufacturing, and retail. With a focus on innovation, Cognizant assists organizations in modernizing their technology, improving operational efficiency, and enhancing customer experiences. Headquartered in the U.S., it is consistently ranked among the most admired companies in the world and is a member of the NASDAQ-100.

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