HR contacted first and scheduled an interview, then first round interview. Questions are about probability and statistics, very hard, the total time of interview is around 45 mins. Didn't mention which team is interviewing me.
Interview questions [1]
Question 1
Given a very simple R.V. Xn, estimate E[|X_1+...+X_n-nE[X]|]
Online interview with behavioural and probability questions. The interviewers were very friendly and made the process comfortable. Overall, it was a positive experience and felt fair in both structure and difficulty.
I applied online. I interviewed at Citadel Securities (Sydney) in Apr 2026
Interview
It was a 45 minute online interview on Zoom. First half was on behavioural questions. Second half was a small market making game. The interviewer was professional and friendly. Overall good experience.
I applied online. The process took 4 weeks. I interviewed at Citadel Securities (Sydney) in Mar 2026
Interview
Classic tell me about yourself question, then a market making question. Interview also probed me a few questions about my resume. The whole interview took about 30 minutes with just 1 market making question
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