Katkat
Technical Screen

DoorDash Data Scientist interview: SQL and ambiguous cases

DoorDashData Scientist · Technical Screen · Jul 2026

The first round combined a 30-minute SQL assessment and a case study. SQL felt very easy, while the case portion was more difficult: two prompts were straightforward and one was genuinely ambiguous. The next round included three case studies and an interview with a cross-functional partner. The interviewers were kind, but I still had to keep structure and clarity across the scenarios. I did not r…

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