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      Safran

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      Data Engineer Interview

      Jun 5, 2024
      Anonymous Interview Candidate
      Hyderābād
      No offer
      Negative experience
      Easy interview

      Application

      I applied through a recruiter. I interviewed at Safran (Hyderābād) in Feb 2024

      Interview

      There were 2 face to face rounds: 1) Technical discussion regarding the current project ( No technical questions) 2) Theory questions regarding memory management in Spark and 10 Pyspark coding problems Overall I found interview easy and was able to answer all the questions including coding problems. However, post interview experience wasn't great. There were no clear update about the feedback for more than a week . After 2 weeks of multiple follow up HR finally called and told that they have got a negative feedback which I couldn't believe initially considering the way interview went. After further discussion she even told position has been kept on hold which created further confusion. Overall I would suggest that post interview and feedback process should be transparent especially when candidates have invested their time in giving 2 F2F rounds of interview.

      Interview questions [2]

      Question 1

      Memory management in Spark. How much memory can be used for caching from the executor memory allocated
      Answer question

      Question 2

      Reading a csv file into a dataframe and applying various transformations on it including aggregation and window functions
      Answer question
      1

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