Algorithm Developer applicants have rated the interview process at Citadel Securities with 5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 44.3% positive. This is according to Glassdoor user ratings.
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I applied through university. I interviewed at Citadel Securities in Jan 2017
Interview
Very thorough interview process, got to meet 8 or 9 people with different profiles. I was clearly evaluated on every dimension possible but also got the chance to learn enough about the company