I will fix your nextjs bugs and performance issues


About this gig
Your Next.js application is broken, slow, or stuck on an issue you cannot solve. You need someone who has fixed these problems in production, not someone learning on your live app.
I am a senior full-stack engineer who specializes in diagnosing and fixing production issues in Next.js applications. I resolve hydration errors, App Router and Pages Router problems, API and server errors, authentication bugs, middleware issues, build failures, and performance bottlenecks. I also work with React, TypeScript, Node.js, Prisma, Supabase, and Vercel.
I work with startup founders, SaaS companies, agencies, and CTOs who need reliable fixes that hold up under real traffic, not temporary patches that break again later.
My process: review your codebase and logs, reproduce the issue, identify the root cause, and apply a tested fix. You get a clear explanation of the cause and steps taken to prevent it from recurring.
If your Next.js app needs a real fix, send me the details and I will confirm scope before we start.
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Get to know Zahoor Ahmed
AI First Full Stack Developer
- FromPakistan
- Member sinceJul 2026
Languages
English
FAQ
What Next.js versions do you support?
I work with Next.js 13, 14, 15, and 16, including both the App Router and the Pages Router, along with React, TypeScript, and Node.js.
Can you fix a live production issue quickly?
Yes. Send me the error, repo access, and logs. I will confirm scope and timeline before starting, and can prioritize urgent fixes.
Do you need access to my codebase?
Yes, I need read or collaborator access to your repository, plus staging or production logs, to reproduce and fix the issue accurately.
Will you explain what caused the bug?
Yes. Every fix includes a plain explanation of the root cause so your team understands what happened and how to avoid it in the future.
Do you work with Vercel deployments?
Yes. I regularly fix failed builds, environment variable issues, and deployment errors on Vercel, along with other hosting platforms.
Can you improve my Core Web Vitals?
Yes. I audit rendering, data fetching, and bundle size, then apply targeted fixes to improve load time, LCP, CLS, and overall performance.
Do you sign NDAs?
Yes, I am comfortable signing an NDA before reviewing your codebase if your project requires confidentiality.
What if the issue is more complex than expected?
I will let you know as soon as I identify this, along with an updated scope and price, before doing any additional work.
Do you fix issues with Prisma or Supabase?
Yes. I handle Prisma schema and query errors, Supabase integration issues, and general PostgreSQL database problems.
What do I need to provide to get started?
Repository access, a clear description of the issue, any error logs, and access to staging or production if the bug only appears there.
