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Koushik Roy

@koushikroy1

Full-stack developer building scalable web apps with solid UX focus.

India
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What I'm looking for

I seek roles where I can build end-to-end web products, own features from UI to deployment, work with modern JS stacks, and join teams valuing rapid iteration and impact.

I am a full-stack developer with hands-on experience building and deploying web applications using the MERN/Next.js ecosystem, working across frontend, backend and deployment. I have delivered production MVPs, implemented secure authentication flows, role-based access control, and integrated file, PDF and Excel workflows.

My projects include a Product Hunt-ranked journaling app and several freelance and internship engagements where I improved performance with SSR, implemented reusable UI components, managed GitHub workflows, and deployed on Vercel and Cloudflare Workers.

Experience

Work history, roles, and key accomplishments

FR
Current

Full Stack Developer

Freelance

Jan 2026 - Present (1 month)

Working as a freelance Full Stack Developer on client projects, delivering end-to-end web applications with responsive UI and API integrations.

FR

Full Stack Developer

Freelance

Apr 2025 - Oct 2025 (6 months)

Developed an e-commerce project as a freelance Full Stack Developer, implementing storefront functionality and payment integrations.

SO

Frontend Developer

Soccal

Jan 2025 - Apr 2025 (3 months)

Built and delivered the MVP for Soccal with full UI implementation and API integration, improving responsiveness and component reusability for a smooth user experience.

ZD

Web Developer Intern

Zidio Development

Jul 2024 - Oct 2024 (3 months)

Developed a MERN-based Certificate Verification System with JWT auth, file uploads, role-based access control, and RESTful APIs to streamline academic credential validation.

ME

Full-stack Developer

Mentorsity

Mar 2024 - Jul 2024 (4 months)

Integrated UI components with backend APIs, implemented program exploration and filtering, conducted code reviews, and deployed updates to Vercel for the official site.

Education

Degrees, certifications, and relevant coursework

RF

Regent Education and Research Foundation

Bachelor of Technology, Computer Science and Engineering

2018 - 2022

Completed a Bachelor of Technology in Computer Science and Engineering from August 2018 to May 2022.

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Koushik Roy - Full Stack Developer - Freelance | Himalayas