I will build or fix custom full stack web application

K
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K
kawsar_develope
Kawsar Ahmed
build or fix custom full stack web application
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build or fix custom full stack web application
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build or fix custom full stack web applicationbuild or fix custom full stack web applicationbuild or fix custom full stack web applicationbuild or fix custom full stack web application

About this gig

Welcome to my Full-Stack Web Development service!

Looking for a reliable developer to build a modern, scalable web application or fix existing issues in your app? I specialize in building custom, high-performance web applications using React, Next.js, Node.js, and Express.

Whether you need a brand-new MERN stack app, API integration, UI fixes, or performance optimization, I deliver production-ready code with maximum security and scalability.

What I Offer:

  • Custom Web Development: Full-stack apps using MERN Stack & Next.js
  • Backend & API Development: RESTful APIs, Node.js/Express, and MongoDB integration
  • Bug Fixing & Optimization: Fixing UI/UX bugs, backend errors, and speed optimization
  • Authentication & Security: JWT, OAuth, role-based access control, and secure headers
  • Database Design: MongoDB / PostgreSQL database schema modeling
  • 100% Responsive Design: Mobile, tablet, and desktop pixel-perfect layouts

Why Work With Me?

  • Clean & Scalable Code: Enterprise-grade code structure following best practices
  • High Security Standard: Secure API endpoints and safe data handling
  • Fast Delivery & Support: Clear communication and post-delivery assistance
  • 100% Client Satisfaction Guaranteed

  • Website type

    • Business

  • Programming language

    • JavaScript
    • TypeScript
    • React
    • Node.js
    • Other

  • Website features

    • Customer support
    • Membership
    • Dashboard
    • Landing page
    • User Authentication
    • Admin Panel
    • API integration
    • AI integration
    • Contact form
    • Database integration
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Get to know Kawsar Ahmed

Kawsar Ahmed

Full Stack Developer

  • FromBangladesh
  • Member sinceSep 2026
  • Avg. response time1 hour

  • Languages

    Bengali, English
Hi, I am MD Kawsar Ahmed, a Full Stack Web Developer specializing in React, Next.js, Node.js, and modern backend technologies. I have hands-on experience with TypeScript, MongoDB, PostgreSQL, and Prisma ORM. My expertise includes frontend frameworks (React, Next.js, Tailwind CSS) and backend tools (Node.js, Express.js, Fastify). I am urgently looking for job opportunities and available to start immediately. I can help you fix bugs, build responsive websites, design secure APIs, and optimize performance. If you need a dedicated developer who can join right away, I am ready to work with you.

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