Nucleus Software

MERN Stack Developer Intern

InternshipIn OfficeChennai, Tamil Nadu5 months30K/mo3 openingsImmediate / Rolling

About this internship

Join Nucleus Software in Chennai as a MERN Stack Developer Intern. This entry-level web development internship is built for candidates early in their journey who are eager to turn HTML, CSS and JavaScript basics into production web experience on real, user-facing products. As a MERN Stack…

Skills you'll use

MongoDBExpressReactNode.jsJavaScriptREST APIs

What you'll do

building React front-ends
creating Express / Node.js APIs
designing MongoDB schemas
shipping features end to end
Collaborate with the team and document your work
Take ownership of assigned web features and act on code-review feedback

Who can apply

Pursuing or recently completed a degree in CS / IT / any relevant stream — 2026 freshers & final-year students welcome
Foundational knowledge of MongoDB, Express, React (or a strong willingness to learn them)
Understanding of HTML, CSS and JavaScript basics; familiarity with Git is a plus
Good communication, problem-solving and a genuine eagerness to learn
Based in or willing to work from Chennai
A portfolio, personal website or web project you can show (a plus, not mandatory)

Perks & benefits

Letter of RecommendationMentorship from experienced engineersReal-world web project experienceHands-on with modern web tools & frameworksPre-Placement Offer (PPO) opportunity

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Technical interview on web development fundamentals and DSA basics
3Take-home web assignment (build a small page / component) with a short walkthrough
4HR discussion — stipend, start date, expectations and offer

About Nucleus Software

Nucleus Software is a fintech company with a strong, growing engineering presence in Chennai — one of India's biggest hubs for early-career tech opportunities. The team believes the best way to grow is by building, which is why web development interns here are given real ownership from the start…

Visit Nucleus Software’s official website ↗

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