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Fiverr Pro
English
$
USD
I will fix nextjs, react, nodejs bugs and API errors fast
Sachin
About this gig
Is Your App Throwing Errors?
If your Next.js, React, or Node.js application is:
- Failing to build
- Returning 500 API errors
- Breaking authentication
- Not connecting to database
- Showing CORS issues
- Crashing in production
- Facing Prisma or migration errors
I will debug the root cause and fix it properly.
This is not trial-and-error patching. I trace the issue, apply a clean fix, and test it.
What I Can Fix
- Next.js App Router errors
- React state & component issues
- Backend API bugs
- JWT & OAuth authentication errors
- Database connection issues (MongoDB / PostgreSQL)
- Prisma migration errors
- Environment variable problems
- Server & deployment issues
- CORS configuration problems
My Debugging Process
- Understand the issue clearly
- Reproduce the error
- Identify the root cause
- Apply a clean and stable fix
- Test thoroughly before delivery
Important
- Please contact me before placing an order
- Provide a clear issue description
- Access to repository or server may be required
- This gig does NOT include full feature development or redesign
Orders placed without prior discussion may be cancelled.
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 Sachin
Sachin
Nextjs and Nodejs Developer for SaaS and Scalable Web Apps
- FromIndia
- Member sinceJun 2025
- Avg. response time1 hour
Languages
Hindi, Kannada, English
I’m Sachin, a full-stack web developer specializing in modern, fast, and conversion-focused business websites.
I help startups, agencies, and businesses build clean, responsive, and SEO-ready websites that not only look great but also perform.
What you get when working with me:
• Modern UI tailored to your brand
• Fast, mobile-responsive websites
• SEO-friendly structure
• Clean, scalable code
• Clear communication and reliable delivery
Whether it’s a landing page or a full business website, I focus on building solutions that support real business goals.
My Portfolio
FAQ
Do I need to message you before ordering?
Yes. Please share the issue details first so I can confirm scope and timeline.
Do you add new features?
No. This gig is for debugging and fixing existing issues only.
What access do you need?
Access to the repository, server, or relevant credentials may be required depending on the issue.
Can you work with authentication issues?
Yes, including JWT and OAuth related problems.
