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I will fix react, nextjs, nodejs and javascript bugs fast
Moaz Ali
About this gig
Fix React, Node.js & JavaScript Bugs Quickly
Facing frustrating bugs or errors in your web application?
I help businesses and startups debug and fix frontend/backend issues in React.js, Next.js, Node.js, and JavaScript applications.
Whether your app has:
- React rendering issues
- API failures
- Node.js backend errors
- Authentication problems
- Deployment issues
- Slow performance
- Database connection errors
I can identify and fix the problem efficiently.
What I Can Fix
- React.js bugs
- Next.js issues
- JavaScript errors
- API integration problems
- Backend crashes
- Authentication bugs
- UI responsiveness issues
- Performance bottlenecks
- Database issues
- Deployment problems
Message me now and let us get your app working perfectly!
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 Moaz Ali
Moaz Ali
Full Stack Web and Mobile App Developer
- FromPakistan
- Member sinceJul 2020
- Avg. response time1 hour
Languages
English
I'm a passionate Web & Mobile App Developer specializing in scalable, high-performance digital solutions that drive real business growth. From custom web apps and cross-platform mobile apps to REST API integration, bug fixing, and performance optimization. I deliver clean, responsive, and user-friendly results.
I combine technical expertise with clear communication and on-time delivery to ensure 100% client satisfaction.
✅ Custom Web & Mobile Apps
✅ API Integration & Bug Fixing
✅ Performance Optimization
Ready to build something impactful? Let's connect and bring your vision to life! 🚀
My Portfolio
FAQ
What types of bugs and errors can you fix?
I can fix frontend, backend, API, database, deployment, and JavaScript-related issues.
Can you fix urgent production bugs?
Yes. I offer fast delivery and emergency debugging support for urgent issues.
Do you work with Next.js applications?
Yes. I specialize in React.js and Next.js debugging and optimization.
Will you optimize the code after fixing the bug?
Yes. I focus on clean, scalable, and performance-optimized fixes whenever possible.
Can you work on existing codebases?
Yes. I can debug, improve, and optimize existing applications and systems.
Can you optimize my app's performance?
Yes. I diagnose and fix slow React rendering, Node.js memory leaks, inefficient database queries, large bundle sizes, and poor Lighthouse scores. I target measurable improvements, not just surface-level tweaks.
Do you work on both frontend and backend issues?
Yes. I handle full stack debugging React and Next.js frontend errors, Node.js and Express backend issues, MongoDB and PostgreSQL database problems, and REST API failures. Message me with your specific issue and I will confirm scope before you order.
