I will fix react, typescript and javascript or frontend bugs fast

J
johanswart_
J
johanswart_
Johan S

About this gig

Are you stuck with a React or JavaScript error you cannot solve?


I will quickly diagnose and fix frontend bugs in your project so you can move forward without frustration.


I can help with:


  • React component errors
  • JavaScript logic bugs
  • API integration issues
  • Layout and responsiveness problems
  • Performance optimization
  • Console errors


You will receive clean, maintainable fixes and clear communication throughout the process.


Please message me before placing an order and describe the issue in detail.

Lets get your project working smoothly again.

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 Johan S

Johan S

Frontend Developer

  • FromSouth Africa
  • Member sinceFeb 2026
  • Avg. response time4 days
  • Languages

    Afrikaans, English
Hello! I’m a Junior Frontend Developer specializing in React and TypeScript. I build clean, responsive, and maintainable user interfaces with a focus on code quality and testing, using Vitest/Jest for unit tests and GitHub Actions CI for reliable apps. I can help with: • Fixing React or JavaScript bugs • Converting designs into responsive UI • Improving frontend components • Writing or improving unit tests and CI workflows • Optimizing page speed & Core Web Vitals I value professionalism, fast communication, and clean, reliable code

Other Website Maintenance Services I Offer