Design Problems

Designing a URL Shortening service like TinyURL

Designing Pastebin

Designing Instagram

Designing Dropbox

Designing Facebook Messenger

Designing Twitter

Designing Youtube or Netflix

Designing Typeahead Suggestion

Designing an API Rate Limiter

Designing Twitter Search

Designing a Web Crawler

Designing Facebook’s Newsfeed

Designing Yelp or Nearby Friends

Designing Uber backend

Designing Ticketmaster