Zetwerk

Blockchain Developer Intern

InternshipHybridHowrah, West Bengal3 months38K/mo2 openingsImmediate / Rolling

About this internship

Zetwerk is hiring a Blockchain Developer Intern in Howrah — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to blockchain and smart-contract engineering rather than a certificate-only programme. About the role As a Blockchain Developer Intern at…

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Skills you'll use

SoliditySmart ContractsEthereumWeb3.js / Ethers.jsCryptographic ProtocolsHardhat / FoundryGas OptimisationSmart Contract SecurityJavaScript / TypeScriptToken Standards (ERC-20 / 721)

What you'll do

Work on writing, testing and auditing smart contracts and on-chain integrations alongside the core team
Apply Solidity, Smart Contracts, Ethereum, Web3.js / Ethers.js 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), BCA, MCA or B.Sc (Computer Science) — 2026 freshers & final-year students welcome
Working knowledge of Solidity, Smart Contracts, Ethereum (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 Howrah, West Bengal

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
2Discussion with the hiring manager on the role and your fit

About Zetwerk

Zetwerk operates in the manufacturing marketplace sector and has an active presence in Howrah. 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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