👋 Hello, I'm Sonjoy Chandra Barman — Top Rated Full Stack Developer

Senior Full Stack Developer in Bangladesh | React, Next.js, MERN Expert

Top Rated Full Stack Developer with 5+ Years Experience Building Scalable SaaS, eCommerce & Web Applications Using React, Next.js, and Node.js.

Hire a full stack developer for Next.js, MERN & SaaSWeb application development & AI-ready sites

Senior Full Stack Developer in Bangladesh | React, Next.js, MERN Expert

Full Stack Web Development (Next.js & MERN Expert)

What you get

  • Frontend + Backend development
  • REST API and database integration
  • Authentication (JWT, OAuth)
  • SEO-optimized architecture
  • Performance optimization
  • Deployment (Vercel, AWS, Docker)
Starting at$1500 - $6000

Frontend Development (React & Next.js Developer)

What you get

  • Pixel-perfect UI design
  • Mobile responsive layout
  • SEO-friendly structure
  • Performance optimization
  • Reusable components
Starting at$500 - $1200

Backend Development (Node.js API Developer)

What you get

  • REST API & GraphQL
  • Database design
  • Authentication system
  • Secure architecture
  • Scalable backend
Starting at$800 - $1800

SaaS Application Development (Startup & Enterprise)

What you get

  • Admin dashboard
  • User authentication
  • Subscription billing system
  • Multi-role system
  • API integration
  • Scalable architecture
Starting at$2500 - $8000

Mobile App Development (React Native & Flutter)

What you get

  • iOS & Android support
  • API integration
  • Realtime database
  • Modern UI design
  • Performance optimization
Starting at$1200 - $3000

DevOps & Cloud Deployment (AWS & Docker)

What you get

  • AWS EC2 setup
  • Docker containerization
  • CI/CD pipeline
  • Server configuration
  • Performance monitoring
Starting at$500 - $1500

Who I typically work with

  • Startups and SaaS founders shipping v1 or v2
  • Businesses modernizing legacy apps with Next.js
  • Agencies needing a senior full stack or Node.js developer
  • Teams hiring a remote React or MERN stack developer
Tell me about your project →

What I can build

  • SaaS platforms, billing-ready flows, and dashboards
  • AI-powered websites and content-driven marketing sites
  • eCommerce and custom web application development
  • APIs, integrations, and DevOps-friendly deployments

Focused landing pages:

Frequently Asked Questions

Answers to common questions about my process and services.

Do you build full stack web applications?
Yes, I develop full-stack web applications using Next.js, React, Node.js, and MongoDB. I build scalable systems with clean architecture, fast performance, and SEO-friendly structure.
Which technologies do you specialize in?
I specialize in modern JavaScript technologies, including React.js, Next.js, TypeScript, Node.js, and the MERN stack. I also work with AWS, Docker, and CI/CD pipelines for production-ready systems.
How long does it take to build a website?
Project timeline depends on complexity: 1. Landing page: 3–7 days 2. Business website: 1–3 weeks 3. Full stack application: 3–8 weeks
Do you optimize websites for SEO and performance?
Yes, I build SEO-friendly websites with proper meta tags, structured data, fast loading speed, and Core Web Vitals optimization to improve Google ranking.
Do you work with startups and SaaS products?
Yes, I work with startups and SaaS businesses to build scalable applications, dashboards, and MVPs with modern architecture.
Do you provide long-term support and maintenance?
Yes, I offer ongoing maintenance, performance optimization, bug fixing, and feature updates after project delivery.
Will I get the full source code?
Yes, you will receive clean, well-structured source code with proper documentation and deployment guidance.
Can you improve my existing website?
Yes, I can redesign, optimize performance, fix SEO issues, and upgrade your existing website using modern technologies.
Do you build mobile-friendly websites?
Yes, all websites I build are fully responsive and optimized for mobile, tablet, and desktop devices.
How do we start a project?
You can contact me with your requirements. I will review your idea, suggest the best solution, and provide a clear plan with a timeline and cost.