Design Twitter
Hundreds of millions of people post short messages and open an app expecting a fresh feed, assembled from the few hundred accounts each of them follows.
How the round runs
Medium · 5 stages · 7 questions · 60 min
~8 min
Requirements Gathering
lists
~8 min
API Design
api rows
~28 min
High-Level Design
whiteboard
~7 min
Database Design
schema
~9 min
Deep Dives
whiteboard
Set up your round
Level
Interviewer
Duration
Mid-Level · Standard · 60 min