I applied online. The process took 3 months. I interviewed at European Central Bank in May 2020
Interview
I applied online on the ECB website in February. A couple of weeks after I sent the application, I was invited to take a video interview. This interview was focused on behavioural questions and it was aimed at testing your motivation. In April, I was contacted to schedule a technical interview on the phone (the last step). This interview was not too difficult, and it lasted approximately 30 minutes.
What programming language are you familiar with? Let's say that you are working on a code, but you realise that its output is wrong: how do you find where the bug is?