PubMatic

Blockchain Developer Intern

InternshipIn OfficePune, Maharashtra4 months22K/mo1 openingImmediate / Rolling

About this internship

Kick-start your career with PubMatic in Pune as a Blockchain Developer Intern. If you learn fastest by doing, this internship gives you real responsibility, real mentorship and real projects from day one. As a Blockchain Developer Intern, you will work closely with experienced professionals in a…

Skills you'll use

SolidityEthereumWeb3.jsSmart ContractsJavaScriptCryptographyHardhatReact

What you'll do

writing and testing smart contracts in Solidity
building dApp frontends with Web3
integrating wallets and contracts
learning blockchain security best practices
documenting on-chain logic
Collaborate with the team and document your work
Take ownership of assigned tasks and act on feedback

Who can apply

Pursuing or recently completed BE/B.Tech/BCA/MCA (CS/IT or related)
Foundational knowledge of Solidity, Ethereum, Web3.js, Smart Contracts
Good communication and a genuine willingness to learn
Based in or open to working from Pune
A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Letter of RecommendationMentorship from experienced professionalsReal-world project experiencePre-Placement Offer (PPO) opportunityFlexible working hoursStipend

Interview & selection process

4 rounds — typical selection flow for this role:

1Application Screening — the recruitment team at PubMatic reviews your resume, projects/portfolio and fit for the Blockchain Developer Intern role.
2Aptitude / Skills Assessment — a screening test focused on programming fundamentals and blockchain basics.
3Technical / Role Interview — an in-depth discussion of your skills, projects and a task or case relevant to software development.
4Second Interview / Assignment Round — a deeper problem-solving, portfolio or practical assignment round with a senior team member.
5HR / Managerial Discussion — a conversation about your interests, availability, learning goals and the internship offer with PubMatic.

About PubMatic

PubMatic operates in the adtech (saas) space and actively invests in early-career talent across its Pune team. Its culture is practical and learning-oriented — mentorship, honest feedback and real project work are part of everyday life, and interns are treated as genuine members of the…

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