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Fiverr Pro
English
$
USD
I will fix nextjs react bugs API errors and vercel deployment issues
Saad
Level 2
About this gig
Facing bugs or errors in your React or Next.js web application?
I can troubleshoot and fix frontend, backend, API, database, authentication, and deployment issues in your existing web app.
I'm Saad, a full-stack developer with 8+ years of experience building and maintaining SaaS platforms, marketplaces, dashboards, portals, and custom web applications.
I Can Fix:
- React & Next.js Bugs
- TypeScript & JavaScript Errors
- API & Backend Issues
- Node.js / Express Errors
- Authentication Problems
- Database & Data Fetching Issues
- Vercel Deployment Errors
- Build & Production Errors
- Routing & Rendering Issues
- Forms & State Management
- Stripe & Payment Bugs
- Performance Issues
- Responsive UI Problems
Tech: Next.js, React, TypeScript, Node.js, Express.js, MongoDB, PostgreSQL, Supabase, REST APIs, Stripe & Vercel.
Please contact me before ordering with the issue, error message, and project details so I can review the complexity first.
Get to know Saad
Saad
Your Go To Full Stack Developer
Level 2
- FromPakistan
- Member sinceMar 2021
- Avg. response time1 hour
- Last delivery2 months
Languages
English, Spanish, German, French
I’m Saad, a Full Stack Developer with 8+ years of experience delivering scalable SaaS platforms and marketplaces. I’ve completed 100+ projects, earning over 200 positive reviews across platforms like Fiverr and Freelancer. I build production-ready applications with a strong focus on architecture, performance, and scalability for high-traffic environments. I leverage modern AI tools such as OpenAI, Claude, and Sonnet to accelerate development and improve efficiency. I focus on writing clean, maintainable code and building systems that are reliable at scale.
My Portfolio
Other Software Development Services I Offer
FAQ
Can I contact you before placing an order?
Yes. Please contact me first with the issue, error message, screenshots, and project details so I can review the complexity and recommend the right package.
What types of React and Next.js issues can you fix?
I can fix frontend bugs, API errors, authentication issues, routing problems, build errors, database issues, state management bugs, responsive UI problems, and performance issues.
Can you fix Vercel deployment and production build errors?
Yes. I can troubleshoot Vercel deployment failures, environment variable issues, build errors, server-side problems, routing issues, and production-only bugs.
Can you work on backend and database issues too?
Yes. I can troubleshoot Node.js, Express.js, REST APIs, MongoDB, PostgreSQL, Supabase, authentication, and other backend-related issues.
Can you fix multiple bugs in the same project?
Yes. For multiple or complex issues, please contact me first. I can review the problems and provide the appropriate package or a custom offer based on the required work.
