Full Stack Developer Intern (paid)

Full Stack Developer Intern

Location: Remote / Hybrid

Employment Type: Paid Internship

Duration: 36 Months

Time Commitment: Part-time (2530 hours per week)

Company Description

Lumenar is an impact-driven technology startup building Web3 and AI-powered solutions to improve supply chain efficiency, transparency, and trust.

We design and develop end-to-end digital platforms that enable businesses, particularly in luxury goods and consumer-facing industries, to create Digital Product Passports, enhance traceability, and drive smarter decision-making across complex supply chains.

Our work combines modern web technologies, decentralized systems, and applied AI, always grounded in real-world business use cases.

Alongside our core platforms, Lumenar partners with growing and forward-thinking businesses as a long-term technical partner, designing and engineering scalable, production-ready web and mobile applications that are reliable, secure, and built to last.

At Lumenar, we value clean architecture, thoughtful engineering, and long-term maintainability. We believe strong software is built by engineers who are treated with respect, ownership, and trust.

We are hiring Full Stack Developer Interns who are excited to work on real products, live systems, and emerging technologies, and who want to grow through hands-on, production-level development.

Role Overview

Lumenar is seeking Full Stack Developer Interns to support the development and maintenance of production-grade web and mobile applications. This role offers hands-on experience working on live systems used by real users and exposure to modern full-stack development practices.

NOTE: This position is meant for candidates with prior practical experience and is not suitable for absolute beginners.

Responsibilities

• Develop and maintain full-stack web applications in a production environment
• Build responsive and scalable user interfaces using React, Next.js, and TypeScript
• Design and develop RESTful APIs using Node.js and Express.js
• Design, manage, and optimize MongoDB data models
• Integrate Firebase services, including Authentication and Firestore
• Implement authentication and authorization workflows
• Manage media uploads and cloud storage integrations
• Translate Figma designs into functional and accessible user interfaces
• Deploy and maintain applications on AWS (EC2, S3)
• Manage environment-based configurations
• Collaborate using Git and GitHub for version control and code reviews
• Debug, test, and optimize features in live applications
• Follow clean code practices, documentation standards, and structured workflows
• Take ownership of assigned tasks and deliver production-ready features

Technical Requirements

• Hands-on experience with the MERN stack (MongoDB, Express.js, React, Node.js)
• Practical experience with Next.js and TypeScript
• Experience working with Firebase (Authentication and Firestore or Realtime Database)
• Strong understanding of JavaScript (ES6+), HTML5, and CSS3
• Experience developing and consuming REST APIs
• Understanding of responsive design and UI/UX principles
• Ability to translate Figma designs into working interfaces
• Beginner to intermediate experience with AWS (EC2, S3)
• Proficiency with Git and GitHub
• Strong problem-solving and debugging skills
• Ability to work independently and manage tasks effectively
• Active GitHub profile with real, working projects

Preferred Qualifications

• Exposure to React Native
• Familiarity with authentication and authorization concepts
• Basic understanding of CI/CD or deployment workflows
• Awareness of application performance, scalability, and reliability
• Interest in Web3, AI-driven systems, or supply chain technologies

Project Exposure

Interns will contribute to a live production project called "CLUTCH", developed for Varsity Sports India LLP. The project includes a modern web platform, a cross-platform mobile application, and a shared backend infrastructure serving multiple applications.

What We Offer

• Paid internship
• Flexible remote or hybrid working arrangement
• Hands-on experience with live production systems
• Structured onboarding and mentorship
• Exposure to industry-standard tools and workflows
• Internship completion certificate
• Opportunity for long-term engagement based on performance

Application Process

Candidates may apply via LinkedIn Easy Apply or by emailing careers@lumenar.in with a resume/CV and GitHub profile. Cover letters are optional.