j
johanswart_

Johan S

@johanswart_

Frontend Developer

Afrique du Sud
Anglais, Afrikaans
Certaines informations sont présentées en anglais.
À propos de moi
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... Plus d’infos

Compétences

j
johanswart_
Johan S
hors ligne • 

Voir mes services

Correction de bugs
I will fix react, typescript and javascript or frontend bugs fast
De15 $US / projetPlus de détails
Personnalisation
I will optimize and improve your frontend performance
De30 $US / projetPlus de détails

Expérience professionnelle

Frontend Developer

Freelance Projects • Indépendant

Mar 2025 - Present • 1 yr 3 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.