RejectedTechnical Screen

A Schema-less SQL Retention Question in the HM Screen

ChimeData Scientist · Technical Screen · Nov 2025

The first round was just a recruiter screen — they asked roughly about what I'd worked on before. The second round was the HM screen. They changed the process this year: the first round is now a one-hour session split into two parts, 30 minutes chatting about my background and 30 minutes writing SQL. Their SQL question was a format I hadn't run into before — they only gave two tables: users and t…

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