I will fix react nextjs nodejs bugs errors and improve performance

H
harry_munir_dev
H
harry_munir_dev
Haris Munir
fix react nextjs nodejs bugs errors and improve performance
Full Screen
fix react nextjs nodejs bugs errors and improve performance
Full Screen
Full Screen
fix react nextjs nodejs bugs errors and improve performancefix react nextjs nodejs bugs errors and improve performancefix react nextjs nodejs bugs errors and improve performance

About this gig

Are you facing bugs, errors, broken UI, build failures, API issues, or performance problems in your React, Next.js, or Node.js app?

I will debug and fix your project issues professionally so your application runs smoothly again.

What I can fix:

  • React.js UI bugs
  • Next.js routing/build/deployment errors
  • JavaScript and TypeScript errors
  • Node.js and Express.js backend issues
  • API integration bugs
  • MongoDB/PostgreSQL connection issues
  • Authentication issues
  • Responsive layout problems
  • Performance and loading issues
  • Console errors
  • Vercel/VPS deployment errors
  • Tailwind CSS styling issues


Why choose me?

  • Strong MERN and Next.js experience
  • Clean debugging process
  • Quick communication
  • Clear explanation of fixed issues
  • Clean and maintainable code


Please message me with your error screenshot or issue details before ordering so I can confirm the scope.

  • Platform

    • Custom

  • Website type

    • E-Commerce store
    • Business
    • Blog
    • Entertainment
    • Saas

  • Programming language

    • JavaScript
    • Python
    • TypeScript
    • HTML & CSS
    • Bootstrap
    • React
Respect third-party rights

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Get to know Haris Munir

Haris Munir

Success Driven Full Stack Web and Mobile Developer, MERN, Next JS, AI

  • FromPakistan
  • Member sinceAug 2025
  • Avg. response time1 hour

  • Languages

    Urdu, English
Hi! I’m Haris Munir, a success-driven Full Stack Web & Mobile Developer skilled in MERN Stack, Next JS, React Native/Expo, Python & Generative AI. I build scalable, high-performing apps with clean code and modern design✨. My services include web & mobile development, AI-powered solutions, API integrations, and bug fixing. With clear communication, on-time delivery, and client-focused results, I help businesses transform ideas into powerful digital products that drive growth & success🚀.

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