I will fix bugs and errors in your react, node js, or web app

M
madhuranga22
M
madhuranga22
Sasun M

About this gig

Having issues in your application? I will help identify, debug, and fix bugs in your frontend, backend, APIs, or database to get your project running smoothly again.


As a full-stack developer with hands-on experience building scalable web applications, AI-powered systems, and REST APIs, I focus on finding the root cause and delivering clean, maintainable fixes rather than temporary workarounds.


What I can fix:

React.js & Next.js issues

Node.js & Express backend errors

JavaScript & TypeScript bugs

REST API issues & integrations

Authentication problems (JWT, role-based access)

Database issues (MongoDB, MySQL)

Form submission and validation problems

Deployment & server issues

Responsive UI & frontend errors

General debugging & troubleshooting


Technologies:

  • React.js / Next.js
  • Node.js / Express.js
  • JavaScript / TypeScript
  • MongoDB / MySQL
  • HTML / CSS / Tailwind CSS
  • REST APIs
  • JWT Authentication


Why Choose Me:

Clean and efficient solutions

Fast communication

Real-world full-stack development experience

Reliable delivery


Before placing an order:

Please send your issue details, screenshots, error logs, or project information so I can review the problem and recommend the right package.

Respect third-party rights

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Get to know Sasun M

Sasun M
5.0(18)
  • FromSri Lanka
  • Member sinceOct 2019
  • Avg. response time1 hour
  • Last delivery3 years
  • Languages

    English, German
Hi! I’m a Full-Stack Developer with a BSc in IT, experienced in building scalable web and mobile apps. I specialize in JavaScript technologies like React, Node.js, Express, MongoDB, and REST APIs. Skilled in MERN stack, Next.js, backend development, API integration, database design, authentication (JWT), AI chatbots, and cloud deployment (AWS, Vercel). I write clean, efficient code and focus on delivering secure, user-friendly solutions with clear communication and timely results. Let’s build something great together!

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