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$
USD
I will fix bugs in your nextjs, react or supabase website
Mamunur Rashid
About this gig
Is your Next.js, React or Supabase project showing errors, a blank page or a failed deployment? I will diagnose the cause, fix the issue and test the result carefully.
I can help with:
Next.js and React build or runtime errors
Broken layouts and responsive design problems
Supabase authentication, database and API errors
Vercel deployment and environment variable issues
Bugs in AI generated code
Slow pages and common performance problems
What you can expect:
Clear communication before the order
Clean and reliable fixes based on your existing code
Testing before delivery
A simple explanation of what was changed
I build and deploy Next.js, React and Supabase applications, including ecommerce projects and study assistant platforms. This practical experience helps me identify issues quickly and deliver solutions that work.
Please message me before ordering with the error details, screenshots and project access. I will review the issue and recommend the right package.
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 Mamunur Rashid
Mamunur Rashid
Full Stack Developer, NextJS, React and Supabase
- FromChina
- Member sinceOct 2026
Languages
Bengali, English
Hi, I’m Mamun, a full stack web developer and Artificial Intelligence undergraduate at Yunnan University. I build landing pages, business websites and web apps with Next.js, React, TypeScript, Tailwind CSS and Supabase. My real projects include a farming assistant, an adaptive learning platform and a campus transport app. I focus on clear communication, reliable functionality, clean code and careful testing. Need a polished landing page, improvements to an existing React project or a complete web app? Message me before ordering so we can confirm the scope, timeline and best package.
My Portfolio
FAQ
What do you need from me before ordering?
A short description of the problem, a screenshot of the error, and access to your code (GitHub link or zip file). I will review it and confirm before you order.
What if you cannot fix my bug?
I always check your issue before you order. If I still cannot fix it after the order, I will cancel the order so you get your money back.
What do you need from me before ordering?
A short description of the problem, a screenshot of the error, and access to your code (GitHub link or zip file). I will review it and confirm before you order.
Is my code safe with you?
Yes. I only use your code and keys to fix your project, I never share them, and you can change your passwords or keys after delivery.
