I will fix react nextjs nodejs bugs and web app errors

S
sagar_nawaz
S
sagar_nawaz
Sagar Nawaz
fix react nextjs nodejs bugs and web app errors
fix react nextjs nodejs bugs and web app errors
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fix react nextjs nodejs bugs and web app errorsfix react nextjs nodejs bugs and web app errorsfix react nextjs nodejs bugs and web app errors

About this gig

Is your React or Next.js website showing errors, broken layouts, or features that are not working properly?

I will professionally troubleshoot and fix bugs in your React.js or Next.js website or web application so it works smoothly on desktop, tablet, and mobile devices.

What I can fix:

  • React and Next.js bugs
  • JavaScript or TypeScript errors
  • Responsive design and UI issues
  • Broken pages or components
  • Forms, routing, and navigation issues
  • API integration problems
  • Login or authentication errors
  • Build and compilation errors
  • Website crashes or loading issues
  • Vercel deployment errors
  • Browser console errors
  • Frontend performance issues

Why choose me?

  • Full-stack development experience
  • Clean and maintainable code
  • Fast and professional communication
  • Careful debugging and testing
  • Experience with React, Next.js, Node.js, Express, FastAPI, MySQL, PostgreSQL, Vercel, AWS EC2, Hostinger, and cPanel

Please message me before ordering so I can review the issue and recommend the correct package.

  • Platform

    • Custom

  • Website type

    • E-Commerce store
    • Business
    • Blog
    • Saas
    • Dropshipping

  • Programming language

    • JavaScript
    • TypeScript
    • HTML & CSS
    • Bootstrap
    • jQuery
    • React
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 Sagar Nawaz

Sagar Nawaz

I build high converting SaaS apps, AI chatbots, fast Nextjs websites

  • FromPakistan
  • Member sinceMay 2025

  • Languages

    English
Hi, I’m Sagar I help businesses turn ideas into fast, scalable web apps and SaaS products. If you need: ✔ A modern website that loads fast and converts ✔ A custom SaaS product (MERN / Next.js) ✔ AI chatbot integration for your business ✔ Bug fixing or performance optimization I’ve worked with clients worldwide to build clean, scalable, and production-ready applications. I focus on: • Clean UI/UX • High performance (speed optimization) • Scalable backend architecture • SEO-friendly development Let’s build something powerful together!

My Portfolio

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