I will fix bugs in react nodejs express mongodb and javascript

V
vaibhav_kum15
V
vaibhav_kum15
Vaibhav Kumar
fix bugs in react nodejs express mongodb and javascript
Full Screen
fix bugs in react nodejs express mongodb and javascript
Full Screen
fix bugs in react nodejs express mongodb and javascriptfix bugs in react nodejs express mongodb and javascript

About this gig

Stuck with a bug that's wasting your time?


Whether it's a React frontend issue, a Node.js backend error, a MongoDB problem, or a broken API, I'll help you find the root cause and fix it.


I can help with:


  • React.js bugs and UI issues
  • Node.js & Express.js errors
  • MongoDB queries and database issues
  • REST API debugging
  • Authentication & JWT issues
  • Login/Signup problems
  • API integration issues
  • MERN Stack application bugs
  • General JavaScript debugging


Why hire me?


  • MERN Stack Developer with real project experience
  • Experience building REST APIs and full-stack applications
  • Clean and maintainable fixes
  • Quick communication
  • Focus on solving the actual problem, not just hiding the error


Before ordering


Send me a message with:

  • Error details
  • Screenshot (if available)
  • GitHub repo or code snippet
  • Expected behavior


I'll review the issue and let you know the best package.

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Databases
    • Testing procedures

  • Frontend framework

    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • FastAPI
    • Node.js

Get to know Vaibhav Kumar

Vaibhav Kumar

Full Stack Developer

  • FromIndia
  • Member sinceJun 2026
  • Avg. response time1 hour

  • Languages

    Hindi, English
I help turn ideas into reliable software. My expertise includes full-stack web development, backend systems, REST APIs, databases, automation, and AI integrations. I work with React.js, Node.js, Express.js, FastAPI, Python, Java, C++, MongoDB, and SQL. Whether it's building a new application, adding features, fixing bugs, or optimizing performance, I focus on clean code, clear communication, and delivering solutions that are scalable, maintainable, and built for real-world use.

My Portfolio

Other Software Development Services I Offer

Related tags