Javier Toussent Fis
js, and Django. I specialize in building reusable component libraries, optimizing performance, and maintaining high-quality code with testing practices such as Jest, React Testing Library, and Vitest.
About
I am a Front-end and Full-stack Developer with extensive experience in React, TypeScript, Vite, Next.js, and Django. I specialize in building reusable component libraries, optimizing performance, and maintaining high-quality code with testing practices such as Jest, React Testing Library, and Vitest. I follow SOLID principles and aim to ensure clean and efficient delivery in all my projects. I am proactive, adaptable, and possess strong leadership qualities, ready to contribute immediately.
Throughout my career, I have worked in diverse sectors including government, agriculture, media, and software development. My experience ranges from developing UI libraries and mobile apps to managing backend integrations and leading teams as a Scrum Master. I am committed to continuous learning and delivering valuable solutions that meet client needs effectively.
- 9 years' experience
- Joined August 2025
Skills· 19
Languages
- Spanish; CastilianFluent
- EnglishIntermediate
- PortugueseBeginner
Industry experience
- Software & Internet
- Government
- Education
- Agriculture & Mining
- Media & Entertainment
- Professional Services
Work experience· 26 roles
Performed functional and cross-browser testing on Billshark’s web application using BrowserStack.
Contributed to code analysis for version 2 of the application; improved login and trip features and delivered the production APK using React Native, Expo, Zustand, and Firebase.
Performed functional and cross-browser testing for Billshark's new web application using BrowserStack.
Education
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