I will fix nodejs bugs, expressjs errors, mongodb and backend issues

S
simfavour
S
simfavour
Favour S
fix nodejs bugs, expressjs errors, mongodb and backend issues
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fix nodejs bugs, expressjs errors, mongodb and backend issues
Full Screen
fix nodejs bugs, expressjs errors, mongodb and backend issuesfix nodejs bugs, expressjs errors, mongodb and backend issues

About this gig

Is your Node.js backend giving you errors or refusing to work as expected?


I'm here to help you fix those issues!

I will debug and fix Node.js, Express.js, MongoDB, and REST API errors to help get your backend running smoothly and reliably.

Whether you're dealing with a broken API, database connection issues, authentication errors, or unexpected server responses, I'll work to identify the problem and provide a practical solution.


MY BACKEND BUG-FIXING SERVICES INCLUDE:

  • Node.js and Express.js bug fixing
  • REST API debugging and error resolution
  • MongoDB connection and query issues
  • API endpoint troubleshooting
  • JWT authentication and authorization errors
  • CRUD operation errors
  • HTTP 400, 401, 403, 404, and 500 error troubleshooting
  • JavaScript backend debugging
  • Code cleanup and optimization
  • Backend testing and improvements


WHY CHOOSE MY SERVICE?

  • Clean and maintainable code
  • Careful troubleshooting
  • Clear communication
  • Solutions tailored to your issue
  • Timely delivery


TECHNOLOGIES:

Node.js | Express.js | MongoDB | Mongoose | JavaScript | REST API | JWT | Postman


Send me a message describing the issue you're facing, and let's discuss the best way to resolve it.


CONTACT NOW!

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Security
    • Operating systems
    • Databases

  • Frontend framework

    • AngularJS
    • Backbone.js
    • Next.js
    • Nuxt.js
    • React.js

  • Backend framework

    • Express.js
    • FastAPI
    • Next.js
    • Node.js
    • Firebase

Get to know Favour S

Favour S

Backend Developer Node js, Express js, MongoDB and REST APIs

  • FromNigeria
  • Member sinceJan 2026
  • Avg. response time1 hour

  • Languages

    English, French, German, Spanish
Hi, I’m Simbiat also known as Favour, a backend developer specializing in Node.js, Express.js, MongoDB, JavaScript, and REST API development. I build secure, scalable, and reliable backend solutions for web and mobile applications. My services include REST API development, API integration, CRUD APIs, JWT authentication, database integration, bug fixing, debugging, and backend optimization. I focus on clean, maintainable code and solutions tailored to your project. Let’s build a powerful backend that works smoothly and scales with your business.

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