DoorDash interview notes, page 22 of 42

“The carousel mechanics themselves weren't the hard part.” The rest of the author's notes on Software Engineer interview at DoorDash, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The base BFS from all destination cells at once is pretty standard, but the obstacle wrinkle tripped me up initially.” The rest of the author's notes on Software Engineer interview at DoorDash, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I'd drilled the dasher payment and bootstrap problems so much that seeing this felt like a gut punch.” The rest of the author's notes on Software Engineer interview at DoorDash, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I went straight into listing pain points, which in retrospect was the wrong move.” The rest of the author's notes on Product Manager interview at DoorDash, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The idempotency part is where I got stuck.” The rest of the author's notes on Software Engineer interview at DoorDash, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This one tripped me up more than I expected.” The rest of the author's notes on Data Scientist interview at DoorDash, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This is the core of the whole interview.” The rest of the author's notes on Software Engineer interview at DoorDash, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I got through the basic A/B setup fine but fumbled when they pushed on variance reduction.” The rest of the author's notes on Data Scientist interview at DoorDash, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I had a story ready but I think I over-explained the context and rushed the part they actually cared about, which was what I personally did after things fell apart.” The rest of the author's notes on Software Engineer interview at DoorDash, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This one sets the tone so you want a tight answer with a real number attached.” The rest of the author's notes on Software Engineer interview at DoorDash, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.