I will fix nodejs, express, mongodb, react and rest API bugs

S
sunil_8521
S
sunil_8521
Sunil
Sommige informatie wordt in het Engels weergegeven.

Over deze dienst

I specialize in debugging and fixing backend and frontend issues quickly while maintaining clean, scalable code.


I can help with:

  • Node.js & Express.js bugs
  • MongoDB & Mongoose issues
  • REST API development and debugging
  • React.js bugs and API integration
  • Authentication (JWT, OAuth)
  • CORS & middleware errors
  • Database connection issues
  • Async/Await & Promise bugs
  • File upload and API integration
  • Performance optimization
  • Deployment and server issues


Why choose me?

  • Fast bug diagnosis
  • Clean and maintainable fixes
  • Clear communication
  • Tested solutions
  • On-time delivery


Please contact me before placing an order so I can review the issue and recommend the right package.

Respecteer de rechten van derden

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Maak kennis met Sunil

Sunil

Full Stack and Gen AI Developer

  • Afkomstig uitIndia
  • Lid sindsnov 2025
  • Gem. reactietijd6 uur
  • Talen

    Hindi, Engels
I'm a Full Stack Developer with hands-on experience building production-ready web applications using React, Next.js, Node.js, TypeScript, PostgreSQL, and MongoDB. I've built multi-tenant SaaS platforms, AI-powered applications, secure REST APIs, and real-time systems. I enjoy solving complex backend and frontend problems, writing clean, maintainable code, and building scalable software that delivers real value to users and businesses.

Mijn portfolio