RejectedTechnical Screen

A SQL Rolling-Average Stumble on the Phone Screen

Fetch RewardsData Scientist · Technical Screen · Apr 2026

There aren't many interview reports about this company on the forum, so I'm sharing mine. It was a one-hour phone screen, split roughly half and half between SQL and experimentation. SQL: there were two questions total. I don't remember the exact tables, but one of them asked me to compute the 7-day rolling average of some metric. I got stuck here — the interviewer's correct answer was that you n…

Shared by a candidate · reported Apr 2026. Interview formats change; use it as a guide, not a script.