PubMatic

Blockchain Developer Intern

InternshipHybridSalem, Tamil Nadu6 months21K/mo4 openingsImmediate / Rolling

About this internship

Join PubMatic in Salem as a Blockchain Developer Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on software engineering work. About the role As a Blockchain Developer Intern at PubMatic, your core…

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Skills you'll use

SoliditySmart ContractsWeb3.jsEthereumHardhatJavaScriptCryptography BasicsTestingGitGas Optimisation

What you'll do

Work on designing, coding and shipping production software alongside the core team
Apply Solidity, Smart Contracts, Web3.js, Ethereum 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/B.Sc (CS, IT) — 2026 freshers & final-year students welcome
Working knowledge of Solidity, Smart Contracts, Web3.js (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 Salem, Tamil Nadu

Perks & benefits

Mentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hours

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Online aptitude / domain assessment

About PubMatic

PubMatic operates in the adtech (saas) sector and has an active presence in Salem. 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…

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