I will fix node js express mongodb api errors and backend bugs

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Abdul Basit

About this gig

Is your Node.js backend broken or your APIs not working properly?

I will debug, fix, and optimize your Node.js, Express.js, and MongoDB backend issues quickly and effectively.

What I fix:

  • API errors (500, 404, CORS issues)
  • Server crashes & unexpected errors
  • JWT authentication & login problems
  • MongoDB / database connection issues
  • Routing & middleware bugs
  • Slow or unoptimized APIs
  • Deployment & hosting issues
  • Full backend debugging

What you will get:

  • Root cause analysis (not random fixes)
  • Clean and optimized working code
  • Fully tested solution
  • Improved backend performance
  • Clear communication throughout

Why choose me?

  • Strong Node.js & backend expertise
  • Fast debugging and problem solving
  • Clean and maintainable fixes
  • Real project experience with APIs & databases

Tech Stack:

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

Please contact me before ordering so I can understand your issue and provide the best solution.

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Get to know Abdul Basit

Abdul Basit

Helping Businesses Build, Fix and Scale Web Applications

  • FromPakistan
  • Member sinceAug 2022
  • Avg. response time7 hours
  • Languages

    Urdu, English
Hi, I'm Abdul Basit, a Web Developer focused on building, fixing, and improving web applications. I help businesses, startups, students, and developers with web development, API integration, backend development, authentication, database management, and bug fixing. My experience includes Node.js, Express.js, REST APIs, MongoDB, SQL databases, and modern web technologies. My goal is to deliver clean, reliable, and high-quality solutions that meet your requirements. Let's work together to bring your ideas to life.

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