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      Ruby Developer Interview

      15 Nov 2020
      Anonymous interview candidate
      Kraków
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 1 week. I interviewed at Zendesk (Kraków) in Nov 2020

      Interview

      I applied to a position in kraków, Poland. I had a pre-screening call with a recruiter, she was very kind, respectful and explained me the whole interview process and its steps. Later, I moved on to another interview that was more technical, the guy who interview me asked me technical questions about ruby and computer science in general, but his approach was very rude, he was sarcastic and he even rejected me by the end of the video call in a very unprofessional way. Most of his questions were ambiguous and badly worded and when I asked for clarification he basically responded the question and moved to the next question.

      Interview questions [8]

      Question 1

      What’s the difference between a string and a symbol?
      Answer question

      Question 2

      Have you ever experienced a memory leak in a ruby app?
      Answer question

      Question 3

      Does ruby garbage collect all the objects?
      Answer question

      Question 4

      What’s the difference between a class and a module?
      Answer question

      Question 5

      Between pluck, find and where? Which one is faster? And why?
      Answer question

      Question 6

      What is a Hash in Ruby?
      Answer question

      Question 7

      When do you use symbols in Ruby? And why?
      Answer question

      Question 8

      Convert the following active record to SQL
      Answer question