Technical Screen

Dasher Pay Phone Screen with a Surprise Sweep Line and Peak Windows Follow-up

DoorDashSoftware Engineer · Technical Screen · Oct 2026

This was the dasher pay question from the interview reports on the forum. I spent a good chunk of time up front discussing the requirements and the data shape. I wanted to get part 1 done with a simple algorithm first and worry about the rest later, and I had already finished writing it, but the interviewer was clearly unhappy and hinted that I should use a sweep line. Changing the code took quit…

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