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DoorDashProduct SenseMedium~20 min

Refund Abuse Detection

Duration
~20 minutes
Difficulty
Medium

DoorDash's refund costs are growing faster than order volume. Customer support suspects a significant portion of refund claims are fraudulent — users claiming missing or wrong items that were actually delivered correctly. You need to design a detection system and quantify the financial impact.

Skills tested

Fraud detection designThreshold settingROI measurement

Interview stages

  • 1Identify abuse patterns
  • 2Set detection thresholds
  • 3Measure financial impact and ROI

What you'll get back

After the session, you'll receive a detailed AI-generated debrief with 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 for comparison.

$3
One-time payment · No account required
  • ~20 minute AI-powered mock interview
  • Realistic interviewer pushback
  • Stage-by-stage debrief with ratings
  • Signal coverage map
  • Reference response for comparison

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