I will fix bugs and issues in your react nextjs or javascript app

J
jayan_chinthaka
J
jayan_chinthaka
Jayan Chinthaka

About this gig

Is your React or Next.js app broken, throwing errors, or not working as expected? I will fix it fast.


What I fix:

  • React and Next.js errors, crashes, and white screens
  • Broken layouts and CSS or styling issues
  • API integration problems and failed requests
  • State management bugs with Redux, Context, or Zustand
  • TypeScript errors and type mismatches
  • Performance problems and slow loading pages
  • Mobile responsiveness issues across devices
  • Build failures and deployment errors on Vercel or Netlify
  • Console errors, warnings, and deprecation notices


My tech stack:

React.js, Next.js (App Router and Pages Router), Vue.js, TypeScript, JavaScript, Tailwind CSS, Redux, REST APIs, Node.js, Git


Why work with me:

I have over 6 years of professional frontend experience building production applications for US-based companies. I deliver clean, well-documented code with fast turnaround. Most single bug fixes are completed within 24 hours.


How to get started:

Send me a message with details about your bug before ordering so I can confirm the timeline and scope. Include screenshots or screen recordings if possible. I will review your issue and let you know exactly what is needed.

Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Jayan Chinthaka

Jayan Chinthaka

Senior Frontend Developer: React, NextJs and TypeScript

  • FromSri Lanka
  • Member sinceMay 2026
  • Languages

    Sinhala, English, Hindi
Hi, I'm Jayan, A Senior Frontend Developer with 6 plus years building production web apps for US-based companies and international clients. I turn designs into pixel-perfect, responsive websites and migrate static WordPress sites to Next.js with full SEO setup. I also build AI-powered web apps with LLM integrations. More than just code. Clean architecture, fast performance, and clear communication across timezones so your project launches on time and works on every device. Bug fix, Figma to code, or a complete site rebuild, I deliver with attention to detail.

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