Senior Frontend Developer
Sebastian
Pellitero.
I build scalable, accessible web apps with React + TypeScript — with a taste for clean architecture, ruthless performance, and UI that doesn't fight the user.
- React
- TypeScript
- Next.js
- Accessibility
- Testing
- Performance
- Design Systems
- CI/CD
Frontend Architecture
Component systems, design tokens, scalable patterns, predictable state.
Performance
Core Web Vitals, LCP/INP/CLS, hydration strategy, smart loading.
Accessibility
Keyboard-first UX, screen readers, semantic HTML, WCAG mindset.
Hey, glad you could make it.
What brings you here?