I will fix react next node js bugs, optimize speed, and improve performance

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zsikander181
Z
zsikander181
Zulqarnain S
fix react next node js bugs, optimize speed, and improve performance
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fix react next node js bugs, optimize speed, and improve performance

About this gig

Are you facing bugs, slow loading times, or performance issues with your website or web application? I can help you fix problems, optimize performance, and improve your overall user experience.


I specialize in debugging and improving React, Next.js, and Node.js applications. Whether its frontend issues, backend errors, API problems, responsive bugs, or slow performance, I will analyze and provide reliable solutions.


What I Offer:

  • Bug fixing and error resolution
  • React.js, Next.js, and Node.js troubleshooting
  • Website speed and performance optimization
  • Frontend UI and responsive fixes
  • API and backend issue resolution
  • Code cleanup and improvements
  • Maintenance and feature updates


With experience building SaaS platforms, dashboards, and full-stack applications, I focus on delivering clean solutions that make your application faster, more stable, and easier to maintain.


Contact me before placing an order so I can understand your requirements and provide the best solution.

  • Platform

    • Custom

  • Website type

    • E-Commerce store
    • Landing page
    • Portfolio
    • Saas
    • Job board

  • Programming language

    • JavaScript
    • Python
    • TypeScript
    • HTML & CSS
    • Bootstrap
    • jQuery
    • React
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 Zulqarnain S

Zulqarnain S

Full Stack Web Developer React Next Node SaaS AI

  • FromPakistan
  • Member sinceJul 2024
  • Avg. response time1 hour

  • Languages

    English
Hey, I'm Zulqarnain, a Full Stack Developer with 2 years of experience specializing in React, Next.js, Node.js, and AI-powered web applications. I help businesses build modern, scalable, and high-performance websites, SaaS platforms, dashboards, and custom solutions. I focus on clean UI, seamless user experiences, secure APIs, and reliable deployments. From concept to launch, I transform ideas into production-ready digital products that deliver real value.

My Portfolio

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