It was 3 stages, case study, behavioral, and technical aspect. None of it was difficult, however make sure your behavioral is good. The case study involved some made up scenario; they just want to see your thought process.
I applied through college or university. The process took 4 weeks. I interviewed at Capital One (Richmond, VA) in Nov 2017
Interview
I applied in September and heard back on November 2nd. For some reason, I did not get an on-campus interview (as many of my classmates did) but was invited to an on-site interview in Richmond, which was scheduled for two weeks later. The on-site interview consisted of a campus tour, lunch, and three separate 45-minute interviews (behavioral, case, and technical). After the interview, I got an offer within three days.
I applied through college or university. I interviewed at Capital One
Interview
I interviewed on Campus, in one single round that consisted of a case, behavioral, and job fit (technical). There was a quick phone screening before the interview. Although it's just one round, the whole interview took almost 3 hours.
Interview questions [2]
Question 1
Data Structures you would use to store transaction data for credit cards