Cygni Energy

Full Stack Developer Intern

InternshipHybridHyderabad, Telangana3 months1 openingImmediate / Rolling

About this internship

Cygni Energy is inviting applications for the role of Full Stack Developer Intern in Hyderabad. This is a hands-on, mentor-led internship designed for students and freshers who want real, practical experience building end-to-end web features across frontend and backend. As an intern, you will work…

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Skills you'll use

ReactNode.jsMongoDBExpress.jsJavaScriptTypeScriptREST APIsHTML5 & CSS3Git & GitHubResponsive Design

What you'll do

Develop responsive UI components and connect them to APIs
Build and maintain REST endpoints and database models
Ensure cross-browser compatibility and responsiveness
Write reusable, modular, tested code
Ship features end to end with the team
Document work clearly and act on feedback

Who can apply

Pursuing or recently completed a relevant degree/diploma
Foundational knowledge of React, Node.js, MongoDB, Express.js
Strong communication skills and a proactive attitude
Ability to work in a team and meet deadlines
Based in or open to working from Hyderabad

Perks & benefits

Internship Certificate on completionLetter of Recommendation for strong performersHands-on mentorship from experienced professionalsReal-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 academics are reviewed by Cygni Energy's team.
2Technical / aptitude round — role-relevant questions for the Full Stack Developer Intern role, possibly with a short task or case.
3Hiring manager / HR discussion — your problem-solving approach, communication, availability and fit.

About Cygni Energy

About Cygni Energy Cygni Energy is a Hyderabad-based battery-technology company that designs and manufactures lithium-ion battery packs and energy-storage solutions for electric mobility and stationary power applications. Founded in 2014 by Venkat Rajaraman, the company set out to address two…

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