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      Epsilon Systems

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      Data Engineer Interview

      26 May 2025
      Anonymous interview candidate
      Paris
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Epsilon Systems (Paris)

      Interview

      Le processus d'embauche comportait quatre étapes principales. D'abord, un appel RH pour discuter de mes motivations et de mon parcours. Ensuite, un entretien technique avec un Data Engineer senior qui portait sur les bases de SQL, les pipelines de données et des questions sur Spark. Puis, une étude de cas à réaliser en 48h sur la création d’un pipeline ETL avec des données publiques. Enfin, un entretien final avec le manager de l’équipe pour valider l’adéquation culturelle et discuter du projet global de l’entreprise. Le tout a duré environ deux semaines.

      Interview questions [1]

      Question 1

      Comment géreriez-vous un pipeline de données en cas de pic soudain de volume de données ?
      1 Answer

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