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      Kontakt.io

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      Software Engineer Interview

      22 Nov 2025
      Anonymous interview candidate
      Warsaw, Masovia
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Kontakt.io (Warsaw, Masovia) in Oct 2025

      Interview

      interview process pretty standard, hr call, technical interview with theoretical questions on java/kotlin and general questions on the backend, also questions about experience, what you did, etc., on next step code refactoring and system design, the tasks are interesting but there is not enough time for each of them, the interviewers were quite silent and asked strange questions and last one interview with CTO no live coding

      Interview questions [1]

      Question 1

      Java/Kotlin, databases, backend and other thoretical questions
      Answer question

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