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      Data Scientist Interview

      May 15, 2025
      Anonymous interview candidate
      No offer
      Neutral experience
      Average interview

      Application

      I interviewed at Bloomberg

      Interview

      Interview covered topics in statistics and machine learning, including linear regression. It was held on a Friday evening quite late as that was the only time available for the interviewer.

      Interview questions [1]

      Question 1

      Describe bagging vs boosting in machine learning
      Answer question

      Other Data Scientist interview reviews for Bloomberg

      Data Scientist Interview

      Dec 12, 2025
      Anonymous interview candidate
      Milan
      No offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 3 months. I interviewed at Bloomberg (Milan) in Nov 2025

      Interview

      3 round di colloquio più final round. Primo round behavioural con qualche domanda tecnica molto semplice. Secondo round leetcode essenzialmente. Terzo round bussiness case in python e pandas. Overall colloqui non complessi, sempre gentilissimi

      Interview questions [1]

      Question 1

      Come spiegheresti ad un bambino la differenza tra queue e stack
      Answer question

      Data Scientist Interview

      Aug 19, 2025
      Anonymous employee
      London, England
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through a recruiter. The process took 2 months. I interviewed at Bloomberg (London, England)

      Interview

      4 rounds, including 2 technical rounds - real-time coding task with leet code style task and Jupyter notebook data diagnostic task, 1 HR screening and team leader chat to see the cultural fit

      Interview questions [1]

      Question 1

      What are the difference between data stack versus data queue
      Answer question