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I will fix nextjs supabase vercel build errors and API bugs
Muhammad Haris
About this gig
Are you facing a broken Next.js build error, Vercel deployment failure, or Supabase API bug? Dont let technical setbacks delay your projectI am here to deliver fast, effective solutions.
As a Full-Stack Next.js & React Developer, I specialize in rapid troubleshooting, debugging, and code optimization.
What I Can Fix For You:
Next.js & React: Resolve build errors, TypeScript failures, SSR/SSG bugs, and hydration mismatches.
Vercel & Deployment: Fix deployment crashes, custom domain setups, and environment variables.
Supabase & Database: Fix connection drops, RLS policies, schema errors, and Auth bugs. Stripe & Webhooks: Troubleshoot payment gateway issues, failed webhooks, and checkout errors.
APIs & Styling: Repair broken REST API routes, Tailwind CSS glitches, and responsive layout bugs.
Why Work With Me?
Fast Turnaround: Priority 24-hour delivery on urgent fixes.
Clean Code: Production-grade fixes that protect existing features.
Please message me before ordering with your error logs or repo link so we can assess the issue immediately!
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 Muhammad Haris
Muhammad Haris
Next js and MERN Stack Full Stack Developer
- FromPakistan
- Member sinceMay 2026
- Avg. response time1 hour
Languages
Urdu, Hindi, Punjabi, English, Arabic
Hi, I'm Muhammad Haris, a Full-Stack Developer specializing in Next.js, React, and the MERN stack. I build high-performance, modern websites that are fast and secure.
My Services:
Full-Stack Websites: Building complete web apps with solid back-end integration.
Outclass Design: Creating clean layouts with Tailwind CSS and smooth animations.
Payment & API Wiring: Expert at connecting Stripe, PayPal, and WhatsApp tools.
Diverse Experience: Proven work in Luxury Interior Design, Fitness Portals, and Service sites.
I focus on clean code and fast results. Let's build something great together!
My Portfolio
Other Website Maintenance Services I Offer
FAQ
What information do I need to provide before starting?
Please send a brief description of the bug, the exact error log/screenshot, and access to your code repository (GitHub/GitLab) or Vercel dashboard.
What if my bug cannot be fixed within 24 hours?
Most Next.js, Vercel, and Supabase issues are resolved within 24 hours. If it is a complex structural error requiring a full refactor, I will inform you right away after reviewing your logs.
Do you offer custom offers for larger debugging tasks?
Yes! If you have multiple bugs or need a complete app audit before deployment, send me a message and I will create a tailored custom offer for your exact scope.
