Full Stack Developer Intern

React + Node.js · 6-Month Internship (Performance-Based Conversion)

Location:

Bengaluru, Karnataka (Onsite)

Employment Type:

Internship — 6 months, full-time, with a performance-based path to a full time role

Industry:

Technology, Information and Internet

About the Company

Sustainability Economics.ai is a global organization pioneering the convergence of clean energy and AI, enabling profitable energy transitions while powering end-to-end AI infrastructure. By integrating AI-driven cloud solutions with sustainable energy, we create scalable, intelligent ecosystems that drive efficiency, innovation, and long-term impact across industries. Guided by exceptional leaders and visionaries with decades of expertise in finance, policy, technology, and innovation, we are committed to making long-term efforts to fulfil this vision through our technical innovation, client services, expertise, and capability expansion.

Role Summary

We are seeking a motivated Full Stack Developer Intern to help design, build,



and maintain both the interfaces our users interact with and the services that power them. Over a focused 6-month internship, you will work across the entire stack — building responsive React front-ends and robust Node.js back-ends — while collaborating closely with product, design, and engineering. This is a hands-on, high-ownership role with a clear performance-based path to a full-time position for interns who excel.

Key Responsibilities

•

Develop, optimize, and maintain full-stack features using React (front-end) and Node.js (back-end).

•

Build reusable, well-structured React and Next.js components and translate UI/UX designs into responsive HTML, CSS, and TypeScript.

•

Design, build, and maintain RESTful APIs and back-end services using Node.js and frameworks such as Express or NestJS.

•

Model, query, and manage data in SQL and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).

•

Integrate front-end applications wit

📌 Full Stack Developer Intern (Bengaluru)
🏢 Sustainability Economics.ai
📍 Bengaluru