I will fix nodejs express mongodb rest API bugs

R
rehanali51214
R
rehanali51214
Rehan Ali

About this gig

Are you facing issues with your Nodejs backend, Express application, MongoDB database, or REST API? I can help you quickly identify and fix bugs to get your application running smoothly.


I am a Senior Backend Developer with 9+ years of experience in backend development, specializing in Node.js, Express.js, MongoDB, REST APIs, Firebase, MySQL, PostgreSQL, and third-party API integrations. :contentReference[oaicite:0]{index=0}


### I can help you fix:


Nodejs and Express.js errors

REST API bugs

MongoDB query issues

Authentication and JWT problems

API integration errors

Database connection issues

CORS errors

Async/Await and Promise issues

Performance and optimization problems

Server and deployment errors

JSON validation issues

Backend logic bugs


### Why choose me?


9+ years of backend development experience

Clean, secure, and maintainable code

Fast communication

On-time delivery

100% commitment to quality


Please contact me before placing an order so I can review your issue and recommend the best solution.

Get to know Rehan Ali

Rehan Ali

AI Agent Developer and API Integration Expert

  • FromPakistan
  • Member sinceJan 2024
  • Avg. response time1 hour
  • Languages

    English
Hi, I'm Rehan, a Backend & AI Automation Developer specializing in intelligent AI solutions for startups and businesses. I help businesses automate repetitive tasks, integrate AI into existing applications, and build scalable backend systems. My expertise includes: • AI Agents • OpenAI GPT Integration • Claude & Gemini Integration • n8n Workflow Automation • Node.js & Express.js • REST API Development • MongoDB & Firebase • AI Chatbots • Business Process Automation • CRM & Third-party API Integration I focus on clean architecture, secure integrations, scalable code, and reliable communication.

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