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      Citadel

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      Engineer Interview

      5 Nov 2025
      Anonymous employee
      Accepted offer
      Positive experience

      Other Engineer interview reviews for Citadel

      Engineer Interview

      9 Dec 2022
      Anonymous interview candidate
      No offer
      Neutral experience
      Difficult interview

      Application

      I applied through a staffing agency. I interviewed at Citadel

      Interview

      First round technical interview through zoom: introducing my current and previous work, they introduce about the job duty, and then technical for basic hardware computation question. The process is around 1 hour.

      Interview questions [1]

      Question 1

      Problem solving in hardware computation question.
      Answer question
      Difficult interview

      Application

      I applied through a recruiter. The process took 3 months. I interviewed at Citadel in Apr 2024

      Interview

      As you'd expect for a Hedge fund, detailed, multi-step interviews with 4 technical rounds via Zoom, then in person. Interviews were all done by the team that they were hiring into. The last step was a senior business user.

      Interview questions [1]

      Question 1

      For the math section, several stats/probability questions and basic linear algebra. For tech it was python questions; typing, async, multiprocessing, and pandas.
      Answer question

      Engineer Interview

      6 Dec 2021
      Anonymous interview candidate
      No offer
      Positive experience
      Average interview

      Application

      I applied through a staffing agency. The process took 3 months. I interviewed at Citadel

      Interview

      The process was setup on ZOOM entirely during this hard time. Interviewers are from HK, Chicago and Sydney. They are very friendly. So don't need to worry if can't answer the questions completely.

      Interview questions [1]

      Question 1

      A lot of in-depth python questions. Like type class in python.
      Answer question