THN Interview Prep

Frontend Engineering

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Frontend Engineering

What problem does this solve?

Frontend engineering focuses on building scalable, performant, and maintainable user interfaces.

Core Concepts

  • Browser rendering pipeline
  • Event loop
  • HTTP & caching
  • Accessibility

How it works internally

DOM, Virtual DOM, rendering lifecycle, hydration.

Trade-offs

  • Client vs server rendering
  • Performance vs developer experience

Optimization Areas

  • Bundle size
  • Rendering frequency
  • Network calls

Interview Focus

  • React internals
  • State management decisions
  • Performance debugging

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