DoorDash Data Engineer interview experience

I had to solve four SQL problems in 30 minutes, and the harder ones involved window functions. I wasn’t perfectly prepared for that level of specificity, but the interviewer was genuinely nice and helped nudge me toward the right direction while I worked.

Because it was short and concentrated, I could feel the clock the whole time, and the window-function questions were what really separated it from a simpler SQL screen. I didn’t receive an offer from that process, but the tone during the interview was supportive enough that the main issue was my own readiness rather than anything chaotic or