Mu Sigma

MERN Stack Developer Intern

InternshipIn OfficeBengaluru, Karnataka3 months28K/mo5 openingsImmediate / Rolling

About this internship

Mu Sigma is inviting applications for the role of MERN Stack Developer Intern in Bengaluru. This is a hands-on, mentor-led internship designed for students and freshers who want real, practical experience building full-stack JavaScript apps on the MERN stack. As an intern, you will work alongside…

Skills you'll use

MongoDBExpress.jsReactNode.jsJavaScriptREST APIsHTML/CSSGitTypeScriptProblem Solving

What you'll do

Build React frontends and Node/Express APIs
Design MongoDB schemas and queries
Implement authentication and CRUD flows
Test and debug across the MERN stack
Ship features through Git and reviews
Document work clearly and act on feedback

Who can apply

Students in their final year and recent graduates (freshers) interested in a MERN Stack Developer Intern role
Freshers looking to build a career in software development
Candidates based in or willing to commute to Bengaluru
Career-switchers and self-taught developers who meet the skill requirements
Anyone eager to gain real, mentor-led coding experience

Perks & benefits

Internship Certificate on completionLetter of Recommendation for strong performersHands-on mentorship from experienced engineersReal-world, portfolio-worthy project experiencePre-Placement Offer (PPO) opportunity based on performanceFlexible, learning-focused work environment

Interview & selection process

3 rounds — typical selection flow for this role:

1Application & resume screening — your profile, skills and background are reviewed by Mu Sigma's team.
2Technical / coding round — role-relevant DSA and MERN Stack Developer Intern questions, possibly with a short coding task.
3Hiring manager / HR discussion — your problem-solving approach, communication, availability and fit.

About Mu Sigma

About Mu Sigma Mu Sigma is one of the world's largest pure-play decision-sciences and analytics firms, headquartered in Bengaluru, helping enterprises institutionalise data-driven decision making. Products & Services Mu Sigma works within the Data & Analytics space, serving its clients and…

Visit Mu Sigma’s official website ↗

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