Quant applicants have rated the interview process at Citadel with 3.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 46.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Quant roles take an average of 1 day to get hired, when considering 4 user submitted interviews for this role. To compare, the hiring process at Citadel overall takes an average of 20 days.
Common stages of the interview process at Citadel as a Quant according to 4 Glassdoor interviews include:
Phone interview: 75%
One on one interview: 25%
Here are the most commonly searched roles for interview reports -
Pretty standard math and coding in the first round, more math and stats and coding in the second, as well as some more open-ended discussion questions (e.g. how would you fit a model to do X)
Interview questions [1]
Question 1
Implement some standard combinatorics functions (e.g. permutations, combinations, etc) in Python
I applied online. I interviewed at Citadel (Chicago, IL) in Nov 2019
Interview
5 Round Onsite with quants/traders in chicago. Technical and somewhat extensive background / relevant experience questions in each along with time to understand the role of each interviewer and their personal approach to the work of their team.
Interview questions [1]
Question 1
What is the most efficent way to sample a 2d random distribution from two 1d random number generators
I applied online. I interviewed at Citadel in Sep 2019
Interview
received interview invitation through email. had a phone interview through coderpad one week later. it was 45min in total. no coding. no technical questions. just talking about research experience and intern experience. but the interviewer was condescending.
Interview questions [1]
Question 1
describe research projects (job market paper); describe intern experience in details