Explorar las categorías
Explora
Fiverr Pro
Español
$
USD
I will fix react, nextjs, nodejs and javascript bugs fast
Moaz Ali
Acerca de este Servicio
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!
Respeta los derechos de terceros
Recuerda que incluir temas, plantillas o cualquier otro elemento que viole los derechos de terceros o las leyes aplicables en los trabajos entregados va en contra de las políticas de Fiverr. Puedes ver más información en Guía para la creación digital responsable.
Conoce a Moaz Ali
Moaz Ali
Full Stack Developer React, Node js, CRM and SaaS Systems
- DePakistán
- Miembro desdejul 2020
- Responde aprox. en:1 hora
Idiomas
Inglés
I'm a Full Stack Developer specializing in React, Node.js, and custom CRM/SaaS solutions. I build secure, scalable web applications, including admin dashboards, booking systems, business management platforms, and AI-powered automation tools.
✔ CRM & SaaS Development
✔ React, Next.js, Node.js
✔ MongoDB & PostgreSQL
✔ Bug Fixing & Optimization
✔ AI Agent Integration
I deliver clean, maintainable code with clear communication and on-time delivery. Contact me before ordering to discuss your requirements and ensure the best solution for your project.
Mi porfolio
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.
