Capital One·Software Engineer

Capital One Software Engineer interview experience

No offer

Medium

Negative

McLean, VAPosted Apr 2026 · Candidate report, summarized by Dataford

I went through a fairly classic pipeline, but the timing around it was what made it frustrating.

After an online CodeSignal assessment, I did a phone interview, and then I was put into a four-hour power day with consecutive interviews: coding, a design discussion, behavioral, and a case that included coding.

The power day itself followed a set rhythm where the same video call stayed open and the day kept rolling from one round to the next. The tricky part was that they didn’t label the round types clearly ahead of time, so I had to figure out what kind of interview I was in as I went. One long system-design question also showed up, and I remember feeling like I was doing my best to stay

Create a free Dataford account to unlock the full round-by-round breakdown, the questions asked and the outcome.

Read the full report Read the full report

Preparing for this interview?

Capital One Software Engineer interview guideThe full process, round by round, with the question bank Practice Software Engineer interview questionsReal questions from this role across companies All Capital One interview guidesEvery role we cover at this company