I applied online. The process took 2 weeks. I interviewed at Citadel (London, England) in Aug 2022
Interview
Online application & wonderlic test. First round was with someone from HR for 30 minutes. The interview was very basic motivational questions, alongside CV based questions. The final section included some basic brainteasers
Interview questions [1]
Question 1
Tell me about yourself, why did you pick your university/degree, tell me about your internship, what feedback did you receive, why your university/degree subject
I applied online. I interviewed at Citadel in Jul 2025
Interview
This is for the women's program - resume screen then 30 min Zoom. However, the interview dialed in. Asked a tell me about yourself and then the rest were probability questions.
Interview questions [1]
Question 1
asked about the expected number of coin flips to get 2 heads, how much you would bet on a game, and other probability questions
I applied online. I interviewed at Citadel (Chicago, IL) in Apr 2025
Interview
The initial interview was an Online Assesment which consisted of two coding questions. The first question is probably equivalent to a LeetCode medium and the second question is equivalent to a leetCode hard.
Interview questions [1]
Question 1
They asked a question about linked lists and tree structures.
Several stages; my final interview consisted of some basic Python questions. I definitely could have done better with some consistent practice. I would recommend practicing on Project Euler or Leetcode.