API Rate Limiter Design
Design an API Rate Limiter
Design Dropbox / Google Drive
Design Dropbox or Google Drive
Design Facebook Messenger
Design Facebook Messenger.
Design Instagram (Feed & Photo Upload)
Design Instagram.
Design TikTok
Design TikTok.
Design YouTube: scalable video upload & streaming
Design YouTube
Distributed Metrics Logging & Aggregation
Design a distributed metrics logging and aggregation system
Typeahead Suggestion / Autocomplete Design
Design Typeahead Suggestion/Autocomplete