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I will fast fix bugs in react js, nextjs, nodejs bugs, errors, api issue in 24 hours
Usama Developer
About this gig
Struggling with bugs, crashes, or errors in your React or Next.js app?
You're in the right place. I'll diagnose the root cause and deliver a clean, permanent fix fast.
As a Full-Stack React, Nextjs Developer specializing in React.js, Next.js, Node.js, and modern web applications, I've debugged everything from broken API integrations to complex state management issues and production breaking errors.
What I Fix
Frontend (React.js & Next.js)
- React Hooks errors, re-render issues, and component bugs
- State management problems (useState, useContext, Redux, Zustand)
- Routing issues (React Router, Next.js App Router / Pages Router)
- Responsive UI, Tailwind CSS, and layout bugs
Backend & APIs
- Node.js & Express.js server errors
- REST API integration and debugging
- Firebase Authentication & Firestore issues
- Environment variable and CORS errors
Why Clients Choose Me
- Root Cause Analysis
- Fast Turnaround
- Clean, Scalable Code
- Clear Communication
- Post-Delivery Support
- Free Consultation
Please send me a message first with a brief description of your issue.
This helps me confirm I can solve it and give you an accurate delivery timeline
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 Usama Developer
Usama Developer
- FromPakistan
- Member sinceJan 2025
- Avg. response time1 hour
- Last delivery4 months
Languages
Urdu, English
Hi, I'm Usama Irshad, a Software Engineering graduate with 5+ years of experience in web and mobile application development. I specialize in React.js, Next.js, TypeScript, JavaScript, React Native, Node.js, Firebase, AI Chatbots, and AI Agents. I build modern, scalable, and user-friendly applications with clean code and high performance. Whether you need a website, web app, mobile app, chatbot, or automation solution, I am committed to delivering quality work, clear communication, and on-time results. Let's bring your ideas to life!
FAQ
Can you fix urgent React.js or Next.js bugs?
Absolutely! I prioritize urgent requests and work quickly to identify and resolve React.js, Next.js, Node.js, and JavaScript issues. Message me before ordering so I can review your issue and give you an accurate delivery timeline right away
What types of bugs can you fix?
I can fix UI bugs, console errors, routing issues, API integration problems, authentication, Firebase issues, npm errors, build errors, performance issues, and much more.
Can you fix Node.js and Express.js backend issues?
Yes. I can troubleshoot and fix backend issues related to Node.js, Express.js, REST APIs, authentication, and server-side functionality.
Can you work with an existing React or Next.js project?
Absolutely. I carefully review your codebase before making any changes. My goal is to fix the issue cleanly without touching unrelated functionality your existing features stay intact.
Do you fix API and Firebase integration issues?
Yes. I resolve REST API errors, Firebase Authentication bugs, Firestore read/write issues, third-party API failures, environment variable problems, and backend integration conflicts.
Do you offer support after delivery?
Yes. I provide post-delivery support to make sure everything works perfectly. If the same issue reappears after delivery, I'll fix it at no extra charge.
Can I get a free consultation before placing an order?
Absolutely! Feel free to contact me before placing your order. I'll review your requirements, discuss the best solution, and recommend the most suitable package at no additional cost.
