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Cognizant

Backend Developer Intern

InternshipIn OfficeChennai, Tamil Nadu3 months1 openingImmediate / Rolling
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About this internship

Cognizant is inviting applications for the role of Backend Developer Intern in Chennai. This is a hands-on, mentor-led internship designed for students and freshers who want real, practical experience building server-side logic, APIs and databases. As an intern, you will work alongside an…

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Skills you'll use

Node.jsPythonJavaREST APIsSQLMongoDBExpress.jsAuthenticationGit & GitHubTesting

What you'll do

  • Design and build REST APIs and services
  • Model and query databases efficiently
  • Implement authentication and business logic
  • Write tests and handle errors gracefully
  • Optimise performance and reliability
  • Document work clearly and act on feedback

Who can apply

  • Pursuing or recently completed a relevant degree/diploma
  • Foundational knowledge of Node.js, Python, Java, REST APIs
  • Strong communication skills and a proactive attitude
  • Ability to work in a team and meet deadlines
  • Based in or open to working from Chennai

Perks & benefits

Internship CertificateLetter of RecommendationMentorshipReal-World Project ExperiencePre-Placement Offer (PPO) OpportunityFlexible Hours

Interview & selection process

3 rounds — typical selection flow for this role:

  1. 13 rounds

About Cognizant

About Cognizant Cognizant is one of the world's leading professional services companies, helping clients modernise technology, reimagine processes and transform experiences so they can stay ahead in a fast-changing world. Headquartered in the United States, Cognizant is a Fortune 500 company and a…
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