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      Data Scientist Interview

      26 Apr 2022
      Anonymous interview candidate
      Chicago, IL
      No offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Extra Card (Chicago, IL) in Mar 2022

      Interview

      Had an informational round with the recruiter and had an chat with a data analyst. After the data analyst chatted with me, there was a take home portion, which included a model building, 2 sql queries and a business case-presentation in which analysis had to be done via code. Once that was submitted I chatted with a senior data scientist. The senior data scientist acted pretty arrogant in the sense that he was acted like a teacher quizzing you on data science principals. The craziest part of this interview was that he didn't even ask me a single question of the take home which I had just spent hours working on, cause in his words the take home assignment would be discussed if i passed the technical round with him. I guess the frustrating part is why not do the technical round with the data scientist and then do the take home, saving me or other candidates tons of time.

      Interview questions [1]

      Question 1

      Leet code: Valid Number Question.
      Answer question

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