Initial interview was a group interview assessment where everyone takes a mathematical exam synchronously as HR is watching, usually involving probability and statistics mostly, and was quite advanced. Second round was with people from the desk.
Interview questions [1]
Question 1
Can't recall specifics, but brush up on probability, especially distributions pdfs/cdfs etc.
I applied online. I interviewed at Citadel (London, England) in Jan 2022
Interview
Very disorganised:
1. interview rescheduled at the last minute.
2. Applied for trader but put me on a quant research interview.
3. Said beforehand that I could use any programming language but made me use Python in the interview.
Interview questions [1]
Question 1
Tell me about yourself
Coding question with Python
CV - live math test - phone screen - 2x onsite - final round with pm. focus on math, prob, ml and markets. hr take a few days after interview to come back
i skipped to superday due to previous internship, online superday in early september, 4 rounds, various kinds of questions with differnet people, heard back within the day and got rejected
Interview questions [1]
Question 1
bayesian math: if 0.1% of people have a disease, you have a test that is correct 99% of the time, how likely is someone with a positive test to ahve the disease?