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      Data Scientist Interview

      Oct 9, 2024
      Anonymous Interview Candidate
      No offer
      Negative experience
      Average interview

      Application

      I interviewed at CHECK24

      Interview

      No discussion about CV in the first round. No communication about the agenda before the interview. Explain in detail Confidence Interval, CLT, Mean, python code output, Precision, Recall, Accuracy, Confusion Matrix.

      Interview questions [1]

      Question 1

      Explain in detail Confidence Interval, CLT, Mean, python code output, Precision, Recall, Accuracy, Confusion Matrix.
      Answer question

      Other Data Scientist Interview Reviews for CHECK24

      Data Scientist Interview

      Jan 15, 2026
      Anonymous Interview Candidate
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at CHECK24

      Interview

      Das Gespräch begann in angenehmer Atmosphäre mit Smalltalk. Es folgten die Unternehmensvorstellung, meine Selbstpräsentation und ein fachlicher Austausch. Eigene Rückfragen sowie Infos zum weiteren Zeitplan rundeten den positiven Ablauf ab.

      Interview questions [1]

      Question 1

      Erläutern Sie kurz Ihren Werdegang
      Answer question

      Data Scientist Interview

      Apr 11, 2025
      Anonymous Interview Candidate
      Munich, Bavaria
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at CHECK24 (Munich, Bavaria)

      Interview

      The first stage was a phone interview. It was focused on behavioral aspects. Conflicts, strength, weaknesses. I was invited to interview via email, with no details provided about the process. After the initial interview, the stages included a case study, brain teasers, and a technical assessment. The case study focused on product ranking. It was challenging to grasp the scope and boundaries of the product they wanted to develop. My answers seemed off-mark, as the interviewers appeared fixated on a specific vision they didn’t clearly communicate. The brain teasers included a seesaw riddle and a volume sales puzzle. The technical interview was the most difficult. I met with their “lead,” who struggled to articulate questions clearly. At times, it felt like I had to read his mind. He responded with irritation when I sought clarification and came across as condescending, with notably poor communication skills. I eventually managed to answer all the questions. This was my personal experience. Others may have a different one—though, in theory, they shouldn’t.

      Interview questions [1]

      Question 1

      Technical interview: Recursive alg. Simple SQL. Supervised vs unsupervised. Decision trees and extensions. Classification metrics
      Answer question