Sajib

@mrsbc2000

Full Stack Web Developer React Next js Node js Expert

Bangladesh
English, Hindi, Bengali
About me
Hi! I’m Sajib Bhattacharjee, a Full Stack Web Developer building modern, fast, and scalable web applications. I develop React.js and Next.js apps, SaaS platforms, dashboards, PWAs, and custom full-stack solutions using Node.js, Express, and Supabase. I focus on clean code, performance, SEO, and scalability. I deliver custom websites, eCommerce, admin panels, API integration, and Figma to React/Next.js conversion with secure, responsive, production-ready results. 📩 Let’s build a powerful and modern web application for your project.... Read more

Skills

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mrsbc2000
Sajib
Offline • 
Average response time: 1 hour

See my services

Custom Websites
I will be your expert front end web developer for pixel perfect responsive websites
From$80 / projectMore details
Custom Websites
I will build rebuild custom website development full stack front end back end developer
From$80 / projectMore details

Portfolio

Work experience

Freelancing_Career

Web Designer & Developer

Freelancing Career • Self-employed

Jan 2021 - Present • 5 yrs 4 mos

Self-driven Front-End Developer building, fixing, and optimizing modern web applications using React, TypeScript, Redux, and PWA technologies. I deliver responsive, high-performance interfaces and solve complex UI/UX issues with clean, scalable code. • Built 10+ frontend projects using React, TypeScript, Redux, Sass, Bootstrap • Developed PWAs with offline caching and app-like performance • Resolved 200+ UI/UX bugs, API errors, and JavaScript logic issues • Achieved Lighthouse/PageSpeed 90+ performance scores through optimization • Integrated REST APIs and implemented reusable component architecture • Designed fully responsive layouts for all devices • Deployed projects using Netlify, Vercel, GitHub Pages • Used Git and GitHub for version control and collaboration

freeCodeCamp

Frontend Developer

freeCodeCamp • Self-employed

Jun 2023 - Dec 2023 • 6 mos

Completed intensive, hands-on certifications in Responsive Web Design and Front End Development Libraries through freeCodeCamp. Built real projects, solved challenges, and mastered core web development fundamentals using industry-standard tools. • Built 25+ responsive layouts using HTML5, CSS3, Flexbox & Grid • Designed fully responsive websites with modern UI/UX practices • Completed React-based component challenges and state management tasks • Gained practical experience with React, Redux, Bootstrap & JavaScript • Implemented semantic HTML, accessibility, and mobile-first design • Improved debugging skills through DOM, CSS & JavaScript challenges • Completed guided projects evaluated by automated freeCodeCamp tests