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kedardeveloper

Kedar Mandal

@kedardeveloper

Professional Full Stack Web Developer

India
English
About me
“Hi, I’m Kedarnath Mandal, a 16-year-old full-stack web developer and founder of Diplomart, a campus marketplace startup. I build end-to-end web applications using Java Spring Boot, HTML, CSS, and JavaScript, handling both frontend and backend. I’ve launched real projects with live users, processed multiple orders, and managed the entire workflow — from coding the platform to delivering products myself. If you want a robust web app built by someone who understands code, operations, and user experience, I can bring your idea to life. Let’s turn your vision into a real product!”... Read more

Skills

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kedardeveloper
Kedar Mandal
Offline • 
Average response time: 1 hour

See my services

Custom Websites
I will build responsive react websites
From$80 / projectMore details

Portfolio

Work experience

Founder & Full-Stack Developer – Diplomart (Campus Marketplace) | 2026

Diplomart • Freelance

Dec 2025 - Present • 5 mos

Work History :- Founder & Full-Stack Developer – Diplomart (Campus Marketplace) | 2025 – Present Built a Java Spring Boot full-stack marketplace for college students to buy and sell academic equipment. Managed backend APIs, database integration, and deployment on Railway cloud. Handled real campus orders, product listings, and workflow operations. Gained hands-on experience in Git, Maven, CI/CD pipelines, and cloud hosting. Freelance Java Developer | 2025 – Present Developed custom backend solutions and applications for small projects and personal clients. Implemented authentication, database management, and API integrations. Delivered functional applications with clean, maintainable code on time. Achievements:- Successfully deployed Diplomart backend online at age 16, demonstrating cloud deployment and CI/CD skills. Handled 8+ real campus transactions as part of Diplomart MVP, validating the platform with real users. Developed a startup-level product while balancing school, freelance attempts, and learning Java backend. Built hands-on knowledge in Java, Spring Boot, Maven, Git, PostgreSQL, and Railway cloud hosting. Gained founder experience, managing development, operations, and user workflow simultaneously.