MERN Stack Developer Intern

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Skills you'll use

What you'll do

• Build responsive, accessible user interfaces and reusable frontend components
• Design and implement REST/GraphQL APIs and server-side business logic
• Model data and write efficient queries against SQL/NoSQL databases
• Integrate frontend and backend and ship features end to end
• Write clean, tested code, fix bugs and act on code-review feedback
• Participate in daily stand-ups, sprint planning and demos

Who can apply

• Pursuing or recently completed BE/B.Tech/BCA/MCA/M.Tech or equivalent (strong coding fundamentals, any branch)
• Foundational knowledge of MongoDB, Express.js, React, Node.js
• Understanding of data structures, OOP and basic databases (SQL/NoSQL)
• Familiarity with Git and a willingness to learn modern full-stack workflows
• Good communication, problem-solving skills and a genuine willingness to learn
• Based in or open to relocating to Mumbai, Maharashtra (or open to remote where applicable)

Perks & benefits

Interview & selection process

4 rounds — typical selection flow for this role:

1. 1Online Application Screening — the recruitment team at Bounce reviews your resume, projects and GitHub/portfolio for fit with a full-stack developer internship in Mumbai.
2. 2Online Coding / Technical Assessment — a timed test covering programming fundamentals, data structures, problem solving and basic MongoDB/Express.js/React questions.
3. 3Technical Interview — a live discussion of your projects and a hands-on coding/full-stack round (frontend + backend + database concepts) on the MERN stack with Redux state management.
4. 4Second Technical / System Design Round — deeper full-stack problem solving, API design, database modelling and code walkthrough with a senior engineer.
5. 5HR / Managerial Discussion — a conversation about your interests, availability, learning goals and the internship offer with Bounce.

About Bounce

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