Thermax

C++ Software Developer Intern

InternshipIn OfficeHubballi, Karnataka6 months18K/mo12 openingsImmediate / Rolling

About this internship

Thermax has an open C++ Software Developer Intern position in Hubballi for motivated freshers and final-year students. You will work on live C++ application and systems programming projects and finish with something you can genuinely talk about in interviews. About the role As a C++ Software…

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Skills you'll use

C++ (11/14/17)STLData Structures & AlgorithmsMemory ManagementMultithreadingCMakeGDB / DebuggingLinuxGitPerformance Profiling

What you'll do

Work on writing and debugging C++ where memory, latency and correctness genuinely matter alongside the core team
Apply C++ (11/14/17), STL, Data Structures & Algorithms, Memory Management to live, production-facing problems
Document your work clearly for reviewers and stakeholders
Participate in reviews and act on the feedback you receive
Collaborate across engineering, product, design or business as required
Follow the team's quality, testing and documentation standards

Who can apply

Pursuing or recently completed B.E./B.Tech (CSE/IT/ECE/EEE) or M.Sc/MCA (Computer Science)
Graduating batch 2026, 2027 or 2028 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of C++ (11/14/17), STL, Data Structures & Algorithms (or a genuine willingness to learn them)
Exposure to Memory Management, Multithreading, CMake is an advantage
Clear written and verbal communication in English, and care with detail in your work
No prior work experience required — this is a fresher-friendly internship
Based in Hubballi, Karnataka or willing to work from there for the internship period

Perks & benefits

Live project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsStructured onboarding and a formal mentor at a large, established employer

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Practical assignment or case study with a short walkthrough

About Thermax

Thermax operates in the energy & environment engineering sector and has an active presence in Hubballi. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a…

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