It was an online interview where I was directed to a site and had to solve about three questions. The problem was I wasn't well-versed in programming languages outside the browser environment, so even the JavaScript was a bit tricky.
In all honesty, I was ill-prepared for the tests, but I knew they were pretty straightforward (FizzBuzz and the likes). I just didn't know how to interact with the space. A weird day, I guess.
There's a credit card verification test in there somewhere that required using Luhn's algorithm. They did explain it in detail, though, so anyone that knows their beans should find it pretty straightforward as well.
The following metrics were computed from 1 interview experience for the Capital One Front End Developer role in London, United Kingdom.
Capital One's interview process for their Front End Developer roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for Capital One's Front End Developer interview process in London, United Kingdom.