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Foundation — how the web actually works

      HTML semantics
      CSS fundamentals
      Browser rendering
      HTTP & networking
      JS fundamentals
      Async JS
    

Core React & TypeScript

      React core
      Hooks
      React 19 APIs
      TypeScript
      Component design
      Performance in React
    

State management & data fetching

      State architecture
      Redux / RTK
      Data fetching
      Forms
    

Next.js & full-stack context

      Next.js App Router
      Routing
      Rendering strategies
      API design basics
      Databases (surface)
    

Testing

      Unit testing
      Component testing
      Integration & E2E
    

Tooling, build & DevOps awareness

      Build tools
      Git
      CI/CD
      Package management
      Env & config
    

Cross-cutting concerns

      Accessibility
      Web performance
      Security basics
      Design systems
      Observability
    

System design & architecture (senior territory)

      Frontend system design
      Micro-frontends
      Real-time patterns
      AI integration
    