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      Citadel Securities

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      Software Engineer Interview

      11 Feb 2020
      Anonymous interview candidate
      No offer
      Neutral experience
      Difficult interview

      Application

      The process took 1 week. I interviewed at Citadel Securities

      Interview

      Phone interview. Talk about yourself and your cv. Then do a coding challenge on a shared coding platform. It lasted about an hour. 30 minutes talking out yourself and questions on your cv. And then about 30 minutes on the coding challenge.

      Interview questions [2]

      Question 1

      Tell me about yourself and about things on your cv.
      Answer question

      Question 2

      Coding challenge was: Reverse the words in a sentence string in-place
      1 Answer
      2

      Other Software Engineer interview reviews for Citadel Securities

      Software Engineer Interview

      31 May 2026
      Anonymous interview candidate
      Hong Kong
      No offer
      Positive experience
      Easy interview

      Application

      I interviewed at Citadel Securities (Hong Kong)

      Interview

      I was reached by a recruiter, and I was later called for a personal interview which happened on zoom. This was for HK location. There was no online assessment test.

      Interview questions [1]

      Question 1

      Implement queue using vector, no constraints were given. I did it but took some time - verdict - reject. Also asked in depth about a project I've worked on and I am proud of. I spoke of the last project I had worked on, he seemed satisfied didn't ask a lot of cross questions.
      Answer question

      Software Engineer Interview

      20 May 2026
      Anonymous interview candidate
      Declined offer
      Positive experience
      Easy interview

      Application

      I interviewed at Citadel Securities

      Interview

      Standard frontend exercise. Know your javascript and react. Be prepared to explain how you would optimize for performance. Explain in depth how react renders and rerenders. Handle real time data display.

      Interview questions [1]

      Question 1

      Explain in depth how react renders and rerenders.
      Answer question

      Software Engineer Interview

      10 May 2026
      Anonymous interview candidate
      Hong Kong
      No offer
      Positive experience
      Easy interview

      Application

      I interviewed at Citadel Securities (Hong Kong)

      Interview

      Very basic oop questions with a lot of emphasis on python syntax, should be fine if candidate prepared a b c d e f g h i j k l m n o p q r s t u v w y x y z
      1

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