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