I will fix your react or next js or mern stack website bugs

Bangladesh

I speak Bengali, Hindi, English

MERN Stack Developer React Next js Expert

Hi! I’m Mahfuz Hossain, a MERN Stack & Next.js Full-Stack Developer. I create fast, scalable, and SEO-friendly web apps that help businesses grow. From custom Next.js websites to MERN apps with smoot...
About this Gig

Struggling with bugs or errors in your React, Next.js, or MERN stack project?


You are in the right place!

I am Md Mahfuz Hossain, a dedicated full-stack developer with over 2.5 years of real-world experience helping clients worldwide fix issues quickly and efficiently.


Why choose me?

Expertise you can rely on: I specialize in React, Next.js, Node.js, Express, and MongoDB. Whether the bug is in your frontend or backend, I know how to diagnose and fix it fast.


Clear communication: I keep you updated at every step and explain the fixes in simple terms no confusing tech jargon.


Quality guaranteed: I write clean, maintainable code and thoroughly test every fix to make sure your app runs smoothly without new issues.


Fast turnaround: I respect your deadlines and always deliver on time.


Long-term support: After the job is done, Im available to help if you need further tweaks or improvements.


What I can fix for you:

React or Next.js rendering and state bugs

API errors and backend issues in Node.js/Express

Database connection and query problems with MongoDB

Authentication and authorization glitches (JWT, Firebase Auth)

Performance bottlenecks and frontend/backend optimization

My Portfolio