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3i Infotech logo — 3i Infotech Backend Developer Intern at 3i Infotech
3i Infotech

Backend Developer Intern

InternshipIn OfficeMumbai, Maharashtra4 months15K/mo2 openingsImmediate / Rolling
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About this internship

Join 3i Infotech in Mumbai as a Backend Developer Intern. This entry-level internship is built for candidates early in their journey who are eager to turn classroom knowledge into hands-on software development experience on real, business-facing work. As a Backend Developer Intern, you will work…

Skills you'll use

Node.jsPythonSQLREST APIsDatabasesGit

What you'll do

  • building and testing REST APIs
  • writing efficient database queries
  • handling authentication and data flows
  • debugging and improving backend services
  • Collaborate with the team and document your work
  • Take ownership of assigned tasks and act on feedback

Who can apply

  • Pursuing or recently completed a relevant degree (stream depends on the role) — 2026 freshers & final-year students welcome
  • Foundational knowledge of Node.js, Python, SQL (or a strong willingness to learn them)
  • Good communication, problem-solving and a genuine eagerness to learn
  • Based in or willing to work from Mumbai
  • A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Real-world project experienceHands-on with industry toolsPre-Placement Offer (PPO) opportunityFlexible working hoursInternship Certificate

Interview & selection process

2 rounds — typical selection flow for this role:

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

About 3i Infotech

3i Infotech is a it services company with a strong, growing presence in Mumbai — one of India's biggest hubs for early-career opportunities. The team believes the best way to grow is by doing, which is why interns here are given real ownership from the start rather than being kept on the…
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