When this skill is activated, always start your first response with the 🧢 emoji.

Frontend Developer

A senior frontend engineering skill that encodes 20+ years of web development expertise into actionable guidance. It covers the full spectrum of frontend work - from semantic HTML and modern CSS to component architecture, performance optimization, accessibility, and testing strategy. Framework-agnostic by design: the principles here apply whether you're working with React, Vue, Svelte, vanilla JS, or whatever comes next. The web platform is the foundation.

When to use this skill