I will fix bugs in your react nodejs nestjs or full stack web app

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muditha_j
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muditha_j
Muditha J
fix bugs in your react nodejs nestjs or full stack web app
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fix bugs in your react nodejs nestjs or full stack web app

About this gig

Professional Bug Fixing for Modern Web Applications

Are you facing bugs, crashes, API errors, performance issues, or deployment problems in your application?

Im a Senior Software Engineer experienced in debugging and fixing complex frontend, backend, cloud, and production issues in modern web applications.

I can quickly identify root causes, fix issues cleanly, and improve your application stability and performance.


What I Can Fix


React & Next.js Issues

Node.js & NestJS Backend Bugs

API Errors & Integration Problems

Authentication & Authorization Issues

Database & Query Problems

MongoDB & PostgreSQL Errors

Production & Deployment Issues

Docker & Cloud Errors

Performance Bottlenecks

TypeScript Errors

GraphQL & REST API Issues

Responsive UI Bugs

Payment Integration Issues

CI/CD Pipeline Errors

  • Programming language

    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Performance
    • Testing procedures

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • Fastify
    • NestJS
    • Next.js
    • Node.js

Get to know Muditha J

Muditha J

Senior Software Engineer : Team Lead

  • FromSri Lanka
  • Member sinceOct 2023
  • Avg. response time1 hour

  • Languages

    Sinhala, English
Senior Software Engineer with strong expertise in backend engineering, scalable system design, and cloud-native application development. I specialize in building high-performance APIs, distributed systems, SaaS platforms, and enterprise-grade integrations using modern technologies like Node.js NestJS TypeScript React React Native MongoDB AWS Currently working as a Senior Software Engineer and backend team lead, I design and maintain mission-critical systems handling real-time hotel reservation flows, payment integrations, event-driven architectures and Enterprise PMS integrations.

My Portfolio

Other Software Development Services I Offer

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