Capital One Senior Data Engineer interview questions

Fairly straightforward and streamlined process: (1) recruiter screen, (2) 1 hour coding challenge on CodeSignal, and (3) "onsite" interviews (four different one hour interviews, also called "Power Day"). My score on CodeSignal wasn't great, but evidently I did enough on the questions I didn't submit in time to move onto the onsite interviews. Recruiter was very helpful, responsive and transparent in preparing me for the Power Day interviews. The YouTube videos on Capital One case study questions + behavioral questions were helpful. The actual Power Day was a bit tough, as it was 8am - 12:30pm PT. I definitely underperformed on the first interview (which happened to be live coding) but did well on the rest. Nothing super challenging, I just did my best to vocalize my thought process and consider multiple options when dealing with ambiguous questions. The process AFTER passing the onsite interview until I passed the background check actually took longer than the code screen + onsite, but overall still a fairly quick process.