I will fix node js, express js, and mongodb backend API errors

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ranjana_rk
R
ranjana_rk
Ranjana K
fix node js, express js, and mongodb backend API errors
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fix node js, express js, and mongodb backend API errors

About this gig

Are you facing errors in your Node.js, Express.js, or MongoDB backend application?

I will quickly debug and fix backend issues so your application runs smoothly again.


I can help with:

  • Node.js syntax and runtime errors
  • Express.js routing and middleware issues
  • REST API bugs and response errors
  • npm installation and dependency conflicts
  • JWT authentication and authorization issues
  • MongoDB and Mongoose errors
  • CRUD operation problems
  • Async/await and Promise issues
  • File upload issues with Multer
  • Server startup and deployment problems


Whether you're a student, beginner, startup founder, or developer stuck on a backend bug, I will identify the root cause and provide a clean, working solution.


What You Will Receive:

- Fast troubleshooting

- Clear explanation of the issue

- Clean and optimized fix

- Professional communication

- Reliable backend solutions


Technologies

  • Node.js
  • Express.js
  • MongoDB
  • Mongoose
  • JWT
  • REST APIs
  • Multer


Please contact me before placing an order to discuss your issue and select the best package.

I look forward to helping you get your backend working perfectly.

  • Platform

    • Custom

  • Website type

    • E-Commerce store
    • Business
    • Saas
    • Portal
    • Other

  • Programming language

    • JavaScript
    • TypeScript
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Get to know Ranjana K

Ranjana K

MERN Stack Developer

  • FromIndia
  • Member sinceSep 2025
  • Avg. response time1 hour

  • Languages

    Hindi, Bengali, English
Hi, I’m Ranjana, a MERN Stack Developer passionate about building modern, responsive, and user-friendly web applications. I specialize in MongoDB, Express.js, React.js, and Node.js, with experience in creating secure REST APIs, authentication systems and scalable full-stack solutions. Whether you need a dynamic frontend, a robust backend, or a complete MERN application, I can help turn your ideas into reality. My focus is on writing clean code, delivering high-performance applications, and ensuring a seamless user experience. Let’s work together to build something amazing!

My Portfolio

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