OneCard

Software Engineer Intern (SDE)

InternshipHybridCoimbatore, Tamil Nadu6 months42K/mo3 openingsImmediate / Rolling

About this internship

OneCard is hiring a Software Engineer Intern (SDE) in Coimbatore — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to product engineering rather than a certificate-only programme. About the role As a Software Engineer Intern (SDE) at OneCard, your core…

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Skills you'll use

Data Structures & AlgorithmsProblem SolvingJava / C++ / PythonMicroservicesREST APIsSQL & NoSQLGitTestingLinuxSystem Design Basics

What you'll do

Work on owning a service or module end to end under an SDE mentor alongside the core team
Apply Data Structures & Algorithms, Problem Solving, Java / C++ / Python, Microservices 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/BCA/MCA/M.Tech (CS, IT) — 2026 freshers & final-year students welcome
Working knowledge of Data Structures & Algorithms, Problem Solving, Java / C++ / Python (or a genuine willingness to learn them)
Strong fundamentals in your discipline and clear problem-solving ability
Care with detail and the discipline to document your work
Clear written and verbal communication in English
Based in or willing to work from Coimbatore, Tamil Nadu

Perks & benefits

Exposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship Certificate

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team

About OneCard

OneCard operates in the fintech sector and has an active presence in Coimbatore. 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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