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      Data Scientist Interview

      22 Aug 2024
      Anonymous interview candidate
      Hong Kong
      No offer
      Positive experience
      Difficult interview

      Application

      I applied through a staffing agency. The process took 2 weeks. I interviewed at Citadel (Hong Kong) in Apr 2024

      Interview

      Case Study, had to think about a dataset and how to extract insights. Interviewer was pleasant and collaborative. Overall a good experience even though I did not manage to get an offer.

      Interview questions [1]

      Question 1

      Experience with working on different datasets
      Answer question

      Other Data Scientist interview reviews for Citadel

      Data Scientist Interview

      29 Sept 2025
      Anonymous interview candidate
      Hong Kong
      No offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Citadel (Hong Kong)

      Interview

      The interview process consisted of multiple rounds, including an initial HR screening, a technical coding test, and several interviews with data scientists and hiring managers. Questions covered data structures, algorithms, probability, and case studies relevant to quantitative research.

      Interview questions [1]

      Question 1

      How would you detect cycles in a directed graph
      Answer question

      Data Scientist Interview

      5 Dec 2024
      Anonymous interview candidate
      New York, NY
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Citadel (New York, NY)

      Interview

      Starts with an overview of your resume and a review of any experience you have working with data and the impact it has. Then you have some case studies on different datasets and how you use them to derive investment relevant insights.

      Interview questions [1]

      Question 1

      Give Dataset A how would you construct features to predict equity returns from it. What are some considerations you would make.
      Answer question