The process is pretty standard, much like at other top tech companies.
LeetCode (easy and medium problems) and "Cracking the Coding Interview" should be sufficient to prepare for the interview.
Good luck with your interview.
The following metrics were computed from 179 interview experiences for the DoorDash Software Engineer role in United States.
DoorDash's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for DoorDash's Software Engineer interview process in United States.