I will debug and fix node js expressjs and mongodb apis

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Abdul Basit

About this gig

Fix Node.js, Express & API Bugs Fast

Is your backend breaking, APIs not responding, or users stuck due to errors?

Dont worryIll debug, fix, and optimize your Node.js backend quickly and properly (not just temporary patches).

Common Issues I Fix

  • API not responding / crashing
  • Server errors (500, 404, CORS)
  • JWT authentication & login issues
  • Database connection or query problems
  • MongoDB / SQL bugs
  • Middleware / routing errors
  • Performance & slow API issues
  • Deployment & server issues

What Youll Get

  • Root cause analysis (not guesswork)
  • Clean & optimized fix
  • Fully tested working solution
  • Improved backend performance & stability

Why Choose Me

  • Strong expertise in Node.js & backend systems
  • Fast debugging & problem-solving mindset
  • Clean, maintainable fixes (no messy patches)
  • Clear communication throughout the process

Tech Stack

Node.js | Express.js | MongoDB | MySQL | PostgreSQL | Sequelize | REST APIs | JWT Auth


Important

Please contact me before placing an order and share your issue details or repo access so I can analyze it properly and give you the best solution.

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Get to know Abdul Basit

Abdul Basit

web Developer delievering quality work

  • FromPakistan
  • Member sinceAug 2022
  • Avg. response time1 hour
  • Languages

    Urdu, English
Hi, I'm Abdul Basit, a Node.js Backend Developer specializing in building and fixing APIs and server-side applications. I help startups, students, and developers solve backend issues quickly. My expertise includes Node.js, Express.js, REST APIs, JWT authentication, MongoDB, and backend debugging. I have built real-world projects including eCommerce and role-based systems. If your backend has errors, needs APIs, or authentication setup, I’m here to help deliver reliable solutions.

My Portfolio