The process consisted of three stages:
Throughout the application process, there were only technical questions. I did not have any HR or behavioral interviews. The on-site interview took approximately four hours.
I waited around four weeks for a response after the on-site interview, despite being informed that a response would come within two weeks.
The first two stages were coding mostly, whereas the on-site had a lot of math as well.
The following metrics were computed from 10 interview experiences for the Citadel Software Engineer (Internship) role in London, United Kingdom.
Citadel's interview process for their Software Engineer (Internship) roles in London, the United Kingdom is extremely selective, failing the vast majority of engineers.
Candidates reported having mixed feelings for Citadel's Software Engineer (Internship) interview process in London, United Kingdom.