Onsite

Three Back-to-Back Onsite Rounds and a SQL Standoff

PayPalData Scientist · Onsite · Jul 2025

Past experience, resume, explaining the role. Then they asked two case questions. Case 1: 3-level apartment plus 1 basement — find the best way to operate the elevator. Case 2: card risk — what will fraudsters do. Onsite: 3 rounds back-to-back. Risk/fraud scenario. Started off talking about my past experience, then the interviewer explained that this DS role isn't mainly about modeling. He gave m…

Shared by a candidate · reported Jul 2025. Interview formats change; use it as a guide, not a script.