Sourav Chatterjee

Background

About Sourav Chatterjee

Frontend / React.js Developer | JavaScript | MERN Stack | Scalable Web ApplicationsI’m a Frontend Developer with 4+ years of experience building scalable, high-performance web applications using React.js, JavaScript, and modern web technologies. I specialize in creating responsive, accessible, and user-focused interfaces that balance performance, usability, and maintainable architecture.In my recent work, I’ve contributed to enterprise-grade applications used by thousands of users, improving application performance by 25–40% through code optimization, efficient API integration, and scalable component design. I focus on writing clean, reusable code and building modular architectures that help teams ship features faster and maintain products more efficiently.My core expertise includes React.js, Next.js, JavaScript, TypeScript, HTML5, CSS3, REST APIs, Redux, and modern UI frameworks. I also work across the MERN stack (MongoDB, Express.js, React, Node.js) and collaborate closely with backend engineers, designers, and product teams to deliver reliable digital solutions.Beyond development, I’m passionate about performance optimization, web security practices, accessibility, and developer-friendly tooling that improves product quality and user experience.I also make reusable hooks, components, and folder structure - DRY - Don't Repeat Yourself - Separation Concerns - Unique Security Designs and Practices- Accessibility - UI/UX Design - SEO (100%)- Deep understanding of SEARCH ENGINE OPTIMIZATION metadata Currently building framework-less SPA tools (vanilla-ts) and SSR solutions with Vite & TypeScript Experienced with Go Fiber, Node.js/Express, and MongoDB on the backend Advocate of web security → CSRF, JWT, encryption, SSRF protection, rate limiting Published NPM packages & tools for the developer community 🧩 Strong focus on UI/UX, reusable components, and clean architectures Always shipping projects ahead of deadlines with well-documented codeCore Skills: React.js • Next.js • JavaScript • TypeScript • REST APIs • Redux • HTML5 • CSS3 • Tailwind • Node.js • Express • MongoDB • Performance Optimization • UI/UX Collaboration • Agile Development Open to opportunities in Frontend / React.js / JavaScript development.If you’re hiring or working on interesting products, feel free to connect or reach out.