Website Developer & Browser Extension DeveloperSumalya Chatterjee
I build high-performance, modern web applications using Next.js and React.js, as well as custom browser extensions tailored to your needs. With a strong focus on clean code, SEO optimization, and user-friendly design, I ensure your project is both functional and future-proof. My goal is to deliver exceptional quality while keeping the process smooth, transparent, and client-focused.
What's included
Fully Functional Application/Extension
A complete, responsive, and bug-free Next.js/React.js website or browser extension.
Clean & Maintainable Code
Well-structured, readable code following industry best practices.
SEO & Performance Optimization
Optimized for fast load times, better search engine rankings, and smooth user experience.
Admin Panel/Dashboard (Optional)
Easy-to-use admin interface for managing content or settings.
API & Third-Party Integrations
Seamless integration with APIs, databases, or external services.
Cross-Browser & Mobile Compatibility
ested to work perfectly on all major browsers and devices.
Deployment to Live Server
Setup and launch of your project on your preferred hosting platform.
Project Documentation
Clear instructions for setup, usage, and further customization.
Post-Delivery Support
Free support for 7–14 days after delivery to ensure smooth operation.
FAQs
Not at all! I handle all the technical work and explain everything in simple terms so you feel confident about your project.
Because I don’t just code — I solve problems. I focus on delivering fast, responsive, and scalable solutions with clean, maintainable code that’s easy to manage long-term. I'm here to build relations not only reputation.
I can improve, redesign, or extend your existing site or extension without starting from scratch.
Absolutely. Your source code and project files remain 100% confidential and will only be shared with you.
I offer revisions to make sure you get exactly what you need. Your satisfaction is my top priority.
Yes. I can connect your app or extension to APIs, payment systems, or other tools you need.
Yes. I offer a support period after delivery to help with setup, deployment, or small fixes.
Yes. I can handle everything from coding to deployment so you receive a ready-to-use solution.
Definitely. I’ll share professional insights to make your project faster, more user-friendly, and future-proof.
Example work
Sumalya's other services
Starting at$10 /hr
Tags
Canva
Figma
HTML5
Next.js
React
SEO Specialist
Web Designer
Web Developer
Service provided by
Sumalya Chatterjee Kolkata, India
Website Developer & Browser Extension DeveloperSumalya Chatterjee
Starting at$10 /hr
Tags
Canva
Figma
HTML5
Next.js
React
SEO Specialist
Web Designer
Web Developer
I build high-performance, modern web applications using Next.js and React.js, as well as custom browser extensions tailored to your needs. With a strong focus on clean code, SEO optimization, and user-friendly design, I ensure your project is both functional and future-proof. My goal is to deliver exceptional quality while keeping the process smooth, transparent, and client-focused.
What's included
Fully Functional Application/Extension
A complete, responsive, and bug-free Next.js/React.js website or browser extension.
Clean & Maintainable Code
Well-structured, readable code following industry best practices.
SEO & Performance Optimization
Optimized for fast load times, better search engine rankings, and smooth user experience.
Admin Panel/Dashboard (Optional)
Easy-to-use admin interface for managing content or settings.
API & Third-Party Integrations
Seamless integration with APIs, databases, or external services.
Cross-Browser & Mobile Compatibility
ested to work perfectly on all major browsers and devices.
Deployment to Live Server
Setup and launch of your project on your preferred hosting platform.
Project Documentation
Clear instructions for setup, usage, and further customization.
Post-Delivery Support
Free support for 7–14 days after delivery to ensure smooth operation.
FAQs
Not at all! I handle all the technical work and explain everything in simple terms so you feel confident about your project.
Because I don’t just code — I solve problems. I focus on delivering fast, responsive, and scalable solutions with clean, maintainable code that’s easy to manage long-term. I'm here to build relations not only reputation.
I can improve, redesign, or extend your existing site or extension without starting from scratch.
Absolutely. Your source code and project files remain 100% confidential and will only be shared with you.
I offer revisions to make sure you get exactly what you need. Your satisfaction is my top priority.
Yes. I can connect your app or extension to APIs, payment systems, or other tools you need.
Yes. I offer a support period after delivery to help with setup, deployment, or small fixes.
Yes. I can handle everything from coding to deployment so you receive a ready-to-use solution.
Definitely. I’ll share professional insights to make your project faster, more user-friendly, and future-proof.
Example work
Sumalya's other services
$10 /hr