I will debug and fix node js express js backend bugs fast

H
hasnain_806
H
hasnain_806
haseebdev
debug and fix node js express js backend bugs fast
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debug and fix node js express js backend bugs fast

About this gig

Fix Node.js, Express.js & MongoDB Backend Issues Quickly


Are you stuck with frustrating backend errors in your Node.js application? Whether your server won't start, APIs are failing, or npm packages are causing conflicts, I can help you identify and fix the problem quickly.


Services I Offer:


Node.js bug fixing and debugging

Express.js routing and middleware issues

REST API error resolution

MongoDB connection and database issues

JWT Authentication & Authorization fixes

Async/Await and Promise debugging

npm package and dependency conflicts

Environment variables (.env) setup issues

Server deployment troubleshooting

Performance optimization and code cleanup

CORS, Axios, Fetch API, and backend integration fixes

Error logs analysis and root cause detection


Why Choose Me?


Fast response and delivery

Clean and optimized solutions

Detailed explanation of the issue

Professional communication

Long-term support if needed


Technologies:


Node.js | Express.js | MongoDB | Mongoose | REST API | JWT | Socket.io | PostgreSQL | JavaScript


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

Let's get your backend running smoothly again!

  • Platform

    • Custom

  • Website type

    • E-Commerce store
    • Landing page
    • Blog
    • Saas
    • Portal

  • Programming language

    • JavaScript
    • TypeScript
    • HTML & CSS
    • Bootstrap
    • React
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Get to know haseebdev

haseebdev

Full Stack Web Developer MERN Stack Specialist

  • FromPakistan
  • Member sinceMar 2025
  • Avg. response time1 hour

  • Languages

    Urdu, English
Hi, I'm Haseeb, a Full Stack MERN Developer with 2+ years of experience building web applications and RESTful APIs. I specialize in: ✔ Node.js & Express.js ✔ MongoDB & MySQL ✔ React.js & Next.js ✔ TypeScript & JavaScript ✔ REST APIs Development ✔ JWT Authentication ✔ AWS S3 Integration ✔ Socket.io I have worked on marketplace, restaurant management, social media, survey, and pet management platforms. I focus on delivering clean, secure, scalable, and production-ready solutions that help businesses grow. Let's build something amazing together!

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