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


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
Senior Frontend Developer: React, NextJs and TypeScript
- FromSri Lanka
- Member sinceMay 2026
Languages
Sinhala, English, Hindi
My Portfolio
Other Website Maintenance Services I Offer
FAQ
How fast can you deliver?
Most single bug fixes are delivered within 12 to 24 hours. I will confirm the exact timeline before you place an order.
What do you need from me to get started?
Access to your code repository on GitHub or GitLab or a ZIP file of the project. Also a clear description of the bug with screenshots or screen recordings if possible.
Can you fix backend issues too?
I primarily work on frontend React and Next.js but I can fix basic Node.js and Express API issues as well. Message me with details and I will let you know if I can help.

