The interview process had just three rounds.
The first round was a HackerRank test. The second round was a technical round with developers, and it's easy to clear if you have minimum experience. The third round was a managerial round.
Linked list-based question
The following metrics were computed from 3 interview experiences for the Costco Software Engineer role in United States.
Costco's interview process for their Software Engineer roles in the United States is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Costco's Software Engineer interview process in United States.