software-frontend

Production-grade frontend development with Next.js 16 App Router, TypeScript 5.9+ strict mode, Tailwind CSS v4, shadcn/ui, React 19.2 Server Components, state management (Zustand/Recoil), performance optimization (Turbopack stable, ISR/SSR/SSG), and accessibility best practices. Includes TanStack Query for server-state, Vitest for testing, and modern React patterns.