I will fix mern stack, react, and nodejs bugs, errors, and crashes

H
hasnainsumra786
H
hasnainsumra786
Hasnain S
fix mern stack, react, and nodejs bugs, errors, and crashes
fix mern stack, react, and nodejs bugs, errors, and crashes
Full Screen
Full Screen
Full Screen
View Presentation
View Presentation
fix mern stack, react, and nodejs bugs, errors, and crashesfix mern stack, react, and nodejs bugs, errors, and crashesfix mern stack, react, and nodejs bugs, errors, and crashesfix mern stack, react, and nodejs bugs, errors, and crashesfix mern stack, react, and nodejs bugs, errors, and crashesfix mern stack, react, and nodejs bugs, errors, and crashes

About this gig

Are you facing bugs, errors, or issues in your MERN, React, or Node.js application?


Dont worry, you are in the right place!


I am a professional MERN Stack Developer with 2+ years of experience fixing frontend and backend bugs, API issues, authentication errors, database problems, and deployment issues. I help make your application stable, fast, secure, and error-free.


⭐ What I Can Fix for You

React.js UI bugs and console errors

Node.js / Express backend issues

MongoDB and database query errors

REST API bugs and response issues

JWT authentication and login/signup problems

Deployment issues (AWS, VPS, PM2, Nginx)

Performance and speed optimization

Code errors, warnings, and crashes


⭐ Why Choose Me

2+ years of MERN stack experience

Fast communication and quick response

Clean, secure, and scalable fixes

Clear explanations and reliable delivery

Client satisfaction through tested solutions


️ Tech Stack

React.js, Node.js, Express.js, MongoDB, JWT, REST APIs, AWS, Nginx, PM2


Please contact me before placing an order so we can discuss your issue and choose the best package.


I first reproduce the issue, explain the root cause, then apply a clean fix and fully test it.


  • Platform

    • Other

  • Website type

    • E-Commerce store
    • Business
    • Landing page
    • Saas

  • Programming language

    • HTML & CSS
    • JavaScript
    • TypeScript
    • React
    • Other
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 Hasnain S

Hasnain S

MERN Stack Developer and AWS Expert

  • FromPakistan
  • Member sinceNov 2020
  • Avg. response time1 hour

  • Languages

    Urdu, English
Hi, I’m Hasnain — a MERN Stack Developer specializing in secure, fast and scalable web applications. I build full-stack solutions using React, Node.js, Express, and MongoDB. I create REST APIs, dashboards, real-time chat apps (Socket.IO) and implement secure JWT authentication with RBAC. I also deploy applications on AWS EC2 using Nginx, PM2 and HTTPS. Clean code, quick communication and on-time delivery guaranteed.

My Portfolio

Related tags