j
johanswart_

Johan S

@johanswart_

Frontend Developer

Sudafrica
Inglese, Afrikaans
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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... Continua a leggere

Competenze

j
johanswart_
Johan S
offline • 
Tempo di risposta medio: 98 ore

Consulta i miei servizi

Correzione di bug
I will fix react, typescript and javascript or frontend bugs fast
A partire da15 USD / progettoMaggiori dettagli
Personalizzazione
I will optimize and improve your frontend performance
A partire da30 USD / progettoMaggiori dettagli

Esperienza lavorativa

Frontend Developer

Freelance Projects • Lavoratore autonomo

Mar 2025 - Present • 1 yr 2 mos

Built and deployed modern frontend applications using React and TypeScript. Implemented reusable component architecture, responsive UI systems, and API integration. Integrated automated unit testing (Vitest/Jest) and configured GitHub Actions for continuous integration workflows to ensure code quality and stability.