concepts
20
systems
20
topics
132

Core concepts

One mechanism per topic.

Traffic and networking3 hubs · 13 topics

IDs and counting2 hubs · 5 topics

Search and observability3 hubs · 8 topics

Systems

Full design problems. One sub-problem per topic.

Building-block services4 hubs · 12 topics

Social and content5 hubs · 17 topics

Messaging and collaboration4 hubs · 11 topics

Location3 hubs · 10 topics

Platforms and transactions4 hubs · 12 topics