High-Level Design (HLD)

Learn system design through real-world case studies

High-Level Design focuses on the architectural overview of a system, including major components, their interactions, and data flow between them.

What you'll learn

System architecture patterns and best practices
Scalability and performance considerations
Database design and data modeling
API design and integration patterns
Real-world case studies from top tech companies

Get Started

Explore our Case Studies to see how real systems are designed.