I will develop a full stack next js web application

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Kawsar Ahmed

About this gig

Are you facing React JS or Next JS bugs in your web application?

I will professionally fix React JS and Next JS issues, including UI bugs, responsive design problems, component errors, API integration issues, routing problems, and JavaScript bugs.

Services I provide:

React JS bug fixing

Next JS error fixing

Responsive design fixes

API integration fixes

Component and state management issues

Performance optimization

Why choose me?

Clean and maintainable code

Fast communication

Professional work

On-time delivery

Please contact me before placing an order for complex issues.

Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

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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