It had two rounds.
First round: fully technical, asked to write queries and a case study.
The second round was with the business team.
Both rounds were medium to hard.
SQL queries were asked.
Case study
The following metrics were computed from 313 interview experiences for the Capital One Software Engineer role in United States.
Capital One's interview process for their Software Engineer roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Capital One's Software Engineer interview process in United States.