I will fix react, next js or node js bugs fast and improve performance

M
msk_saqib
M
msk_saqib
Muhammad Saqib

About this gig

Is your React, Next.js, or Node.js app broken, crashing, or not working properly?

I will quickly fix bugs and performance issues to make your application run smoothly again.

With 6+ years of experience in full-stack development, Ive worked on real-world applications and fixed complex issues in production environments.

What I fix:

  • React rendering issues
  • Next.js routing & SSR errors
  • Node.js backend bugs
  • API integration issues
  • Deployment errors (Vercel, Netlify)
  • Performance & speed issues


What you get:

  • Clean and efficient bug fixes
  • Optimized performance
  • Root cause analysis (not temporary fixes)
  • Reliable and maintainable solutions


 Perfect for:

  • Web applications
  • SaaS platforms
  • Dashboards
  • Broken or crashing apps


Why choose me:

  • Fast response & delivery
  • Clear communication
  • Professional debugging approach
  • Honest and reliable service


I dont just fix the issue I identify and solve the root cause to prevent it from happening again.

I can also help with deployment, API, and UI issues if needed.


Message me before ordering so I can review your issue and suggest the best solution.

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 Saqib

Muhammad Saqib

Full Stack Developer

  • FromPakistan
  • Member sinceApr 2026
  • Avg. response time1 hour
  • Languages

    Urdu, Hindi, English
Senior Full-Stack Developer with 6+ years building scalable web & mobile apps. I've scaled a SaaS to 10,000+ users, cut API latency by 65%, and delivered 25+ production apps using React, Next.js, Node.js, React Native, MySQL, MongoDB & Firebase. Clean code, honest timelines, zero ghosting. Message me before ordering — I'll give you a straight answer.