TOPICS

System Design Topics

InterviewSkool covers 31 system design topics across 176 case studies from FAANG and top tech companies. Pick a topic to start preparing.

Frequently Asked Questions

What are the most important system design topics?

The most important system design topics are API Design, Database, Caching, Load Balancing, Message Queues, Scalability, and Availability. These appear in almost every FAANG system design interview.

How many system design topics should I prepare?

Focus on 8-10 core topics first. Master these before moving to advanced topics like Geospatial, Search, or Cost Optimization.

Which system design topics are asked most at FAANG?

Scalability, Database Design, Caching, and Load Balancing are the most frequently tested topics across all FAANG companies. Almost every system design interview involves at least two of these.

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