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Thermax

Backend Developer Intern

InternshipWork from HomeChennai, Tamil Nadu4 months28K/mo2 openingsImmediate / Rolling
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About this internship

Thermax is hiring a Backend Developer Intern in Chennai — a hands-on, mentor-led internship built for 2026 freshers and final-year students (0 years of experience) who want to build real software and grow fast in a modern engineering team. As a Backend Developer Intern, you will work closely with…

Skills you'll use

Node.jsPythonSQLREST APIsDatabasesMicroservices

What you'll do

  • Build, test and ship real features using Node.js, Python, SQL, REST APIs
  • Write clean, maintainable code and participate in code reviews
  • Work on building APIs, services and databases that power the product
  • Debug issues and improve performance and reliability
  • Collaborate with engineers, designers and product on live projects

Who can apply

  • Pursuing or recently completed B.E./B.Tech/BCA/MCA/B.Sc (CS/IT) or a related discipline — 2026 freshers & final-year students welcome
  • Working knowledge of Node.js, Python, SQL (or a strong willingness to learn them)
  • Solid programming fundamentals and problem-solving ability
  • Eagerness to learn, take feedback and collaborate in a team
  • Based in or willing to work from Chennai

Perks & benefits

Mentorship from senior engineersReal-world project experienceHands-on with a modern tech stackPre-Placement Offer (PPO) opportunityFlexible working hours

Interview & selection process

4 rounds — typical selection flow for this role:

  1. 1Application screening & resume shortlisting by the talent team
  2. 2Online coding / aptitude assessment
  3. 3Technical interview — DSA, coding and CS fundamentals
  4. 4HR discussion — stipend, start date, expectations and offer

About Thermax

Thermax is a energy & engineering company with a strong engineering culture and a growing presence in Chennai. The team believes the best way to grow is by building, which is why interns here get real ownership of code and projects from day one rather than being kept on the sidelines. Interns…
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