I will fix bugs in your react or next js website

S
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S
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Szymon Kowalski
fix bugs in your react or next js website
Full Screen
fix bugs in your react or next js website

About this gig

Are you experiencing bugs or errors in your React or Next.js application?


I can help you quickly identify and fix issues so your website or web app works smoothly again.


I am a Full Stack developer experienced with modern JavaScript frameworks and APIs. I focus on clean and reliable solutions while keeping the code maintainable.


What I can help with:


React bugs and errors

Next.js issues

JavaScript / TypeScript problems

Broken components

Console errors

UI and layout bugs

API integration problems

State management issues

Small frontend improvements


Technologies I work with:


React  

Next.js  

Vue.js

JavaScript  

TypeScript  

TailwindCSS  

Node.js

REST APIs  


Why choose me?


Fast response

Clean and maintainable fixes

Clear communication

Reliable solutions


If you are unsure which package to choose, feel free to message me before placing an order.

  • Programming language

    • TypeScript

  • Expertise

    • Debugging
    • Performance
    • Design
    • Databases
    • Source control

  • Frontend framework

    • Next.js
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Express.js
    • Next.js
    • Node.js

Get to know Szymon Kowalski

Szymon Kowalski

Fullstack Developer

  • FromPoland
  • Member sinceNov 2022

  • Languages

    English, Polish
Hi! I'm a Full Stack Developer with 3+ years of experience building modern web applications and SaaS products. I’m the founder and developer behind projects like GenWizer.com (AI SaaS platform) and IncidentHub.online (team workflow web app). I specialize in React, Next.js, Vue.js, TailwindCSS and Node.js, using TypeScript and JavaScript. I focus on clean code, responsive UI and scalable solutions to help turn ideas into real products.

My Portfolio

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