Karbon Card

DevTools Developer Intern

InternshipIn OfficeDurgapur, West Bengal2 months19K/mo13 openingsImmediate / Rolling

About this internship

Karbon Card is hiring a DevTools Developer Intern in Durgapur — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to developer tooling engineering rather than a certificate-only programme. About the role As a DevTools Developer Intern at Karbon Card…

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Skills you'll use

Node.js or GoCLI DevelopmentSDK DesignGit InternalsBuild SystemsTesting FrameworksDeveloper ExperienceDocumentationAutomation ScriptingOpen Source Workflow

What you'll do

Work on building the CLIs, SDKs and linters other engineers live inside all day alongside the core team
Apply Node.js or Go, CLI Development, SDK Design, Git Internals 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), BCA/MCA or B.Sc/M.Sc (Computer Science / IT)
Graduating batch 2025, 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 Node.js or Go, CLI Development, SDK Design (or a genuine willingness to learn them)
Exposure to Git Internals, Build Systems, Testing Frameworks 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 Durgapur, West Bengal or willing to work from there for the internship period

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsBroad ownership and direct exposure to founders and senior decision-makers

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Online aptitude / domain assessment
3Technical interview on fundamentals and your projects
4HR discussion — stipend, start date, expectations and offer

About Karbon Card

Karbon Card operates in the fintech & payments sector and has an active presence in Durgapur. 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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