Jumbotail

Smart Contract Developer Intern

InternshipHybridThane, Maharashtra3 months18K/mo12 openingsImmediate / Rolling

About this internship

Join Jumbotail in Thane as a Smart Contract Developer Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on smart contract development work. About the role As a Smart Contract Developer Intern at…

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Skills you'll use

SoliditySmart Contract SecurityHardhatEthereumERC StandardsGas OptimisationUnit TestingOpenZeppelinWeb3.jsGit

What you'll do

Work on writing contracts that cannot be patched after deployment, and testing them like it alongside the core team
Apply Solidity, Smart Contract Security, Hardhat, 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 (CSE/IT/ECE), BCA/MCA or B.Sc/M.Sc (Computer Science / IT)
Graduating batch 2026, 2027 or 2028 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Solidity, Smart Contract Security, Hardhat (or a genuine willingness to learn them)
Exposure to Ethereum, ERC Standards, Gas Optimisation 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 Thane, Maharashtra or willing to work from there for the internship period

Perks & benefits

Flexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentorDirect access to the team that owns the data you work on

Interview & selection process

2 rounds — typical selection flow for this role:

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

About Jumbotail

Jumbotail operates in the it services sector and has an active presence in Thane. 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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