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DoorDashProduct SenseHard~25 min
Restaurant Ranking Algorithm Change
DoorDash is testing a new restaurant ranking algorithm that prioritizes delivery speed and proximity over ratings and popularity. Early data looks promising for delivery times, but there are concerns about fairness to merchants and consumer discovery.
Duration
~25 minutes
Difficulty
Hard
Free
Your first session · then $3 per session
- ~25 minute AI-powered mock interview
- Realistic interviewer pushback
- Stage-by-stage debrief with ratings
- Signal coverage map
- Reference response for comparison
Sign up free with Google · No card required
Skills tested
Experiment designThree-sided marketplace thinkingFairness analysis
Interview stages
1
Identify tradeoffs
2
Merchant fairness
3
Net positive assessment
What you'll get back
After the session, you'll get a detailed debrief: stage-by-stage ratings (Strong / Developing / Weak), a signal coverage map showing which key points you hit, specific feedback on your reasoning and communication, and a reference response to compare against.