I applied through university. The process took 1 day. I interviewed at Citadel (Princeton, NJ) in Sept 2017
Interview
They asked a lot of questions about my previous internships on my resume. The questions are involved with specific details of projects during my internship at funds, like the model used, theory behind.
Interview questions [1]
Question 1
What's the difference between LASSO and ridge regression.
phone screen, then OA, then interview, asked the classic question "what's your biggest strength and weakness?", coding interview is 2 hard leetcode Dynamic programming. very difficult, no hint from interviewer
Normal interview process, not too lengthy, hr was very nice and replied to all my emails. The questions were a bit hard, and it needs some preparation before going into the interview.
I applied online. The process took 6 months. I interviewed at Citadel (London, England) in Nov 2024
Interview
HR interviews then met different people and was asked to do a case study involving data analysis using Python.
In the end I never really received a feedback and I am not sure if they even looked at the case study