Machine Learning Engineer applicants have rated the interview process at Citadel with 2.5 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 46.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Machine Learning Engineer roles take an average of 30 days to get hired, when considering 2 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 Machine Learning Engineer according to 2 Glassdoor interviews include:
Phone interview: 50%
One on one interview: 50%
Here are the most commonly searched roles for interview reports -
The technical round kicked off with a query about choosing models for trading tasks, which felt straightforward. Then I tackled a problem analyzing correlations and generating Gaussians. The interesting part was recognizing the prompt instantly — it was the same question I had worked through on prachub.com during my prep. Overall, the interviews moved quickly, with a positive vibe throughout, and I felt confident enough to accept the offer when it came through.
I applied online. The process took 4 weeks. I interviewed at Citadel in Jan 2025
Interview
Went through a phone screen, then an onsite with 4 interviews. No offer, everyone was very nice, they asked about my PhD work. Then some questions were about brainstorming new ideas for price prediction.
Interview questions [1]
Question 1
How do you quickly raise a matrix to a given power