OneCard

C++ Software Developer Intern

InternshipIn OfficeAhmedabad, Gujarat3 months21K/mo5 openingsImmediate / Rolling

About this internship

Start your career in C++ application and systems programming with OneCard as a C++ Software Developer Intern in Ahmedabad. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As a C++ Software Developer Intern at…

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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 or 2027 — 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 Ahmedabad, Gujarat or willing to work from there for the internship period

Perks & benefits

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityBroad ownership and direct exposure to founders and senior decision-makers

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team
3HR discussion — stipend, start date, expectations and offer

About OneCard

OneCard operates in the fintech sector and has an active presence in Ahmedabad. 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 distance. The work runs…

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