System design interview question · ML

Design push notification ranking

Decide which notifications to send each person, and when, without annoying them into turning them off.

Intermediate 45 minutesPersonalization Plus
More ML questions

Concepts this round covers

  • Long-term vs short-term metrics
  • Volume caps and fatigue
  • Send-time optimisation
  • Personalization

This is a Plus round

The brief, the scale to design for, the questions interviewers ask and the common mistakes for this round are available to Plus members. Plus is coming soon.