Design Top-K
Ten billion events a day, a hundred million things they could be about, and one small list that has to stay right — or right enough, deliberately.
How the round runs
Hard · 5 stages · 7 questions · 60 min
~8 min
Requirements Gathering
lists
~8 min
API Design
api rows
~29 min
High-Level Design
whiteboard
~8 min
Database Design
schema
~7 min
Deep Dives
whiteboard
Set up your round
Level
Interviewer
Duration
Mid-Level · Standard · 60 min