Database

Component composition, compound components, render props, and slot patterns

Migrating from Bootstrap/Material to Tailwind design system

Migrating legacy CSS/jQuery to modern React + Tailwind

Micro-frontend patterns with Module Federation, island architecture, and composition strategies

Core Web Vitals optimization patterns for LCP, CLS, and FID/INP

React Server Components patterns for data fetching, streaming, and when to use them

Modern state management with useState, useReducer, Zustand, context vs global store

UI testing patterns for component tests, visual regression, and accessibility testing