Technical Screen

Two Brutal Phone Rounds on SQL, Python, and Airport Causal Inference

PayPalData Scientist · Technical Screen · Dec 2025

Overall impression: it was really hard. First there was a 15-minute recruiter call. They asked briefly about my current job, why I was looking, and my visa/status situation, then said they'd send an email with the interview process. The phone interviews were two rounds total, each 1 hour. Round 1: coding (including SQL and Python), plus a case study. The SQL question was built around drivers and…

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