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      Lusha Systems

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      Backend Developer Interview

      1 Dec 2025
      Anonymous interview candidate
      Tel Aviv-Yafo
      No offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Lusha Systems (Tel Aviv-Yafo)

      Interview

      The process includes two technical interviews. The first interview focused on presenting the company and the role, presenting myself and my background, and finally a python implementation question. The second interview was with the director of the group and included a very detailed architecture question. In my opinion, they focus a bit too much on the specific frameworks they are using.

      Interview questions [2]

      Question 1

      First interview - Implementing the unsubscribe function given a group of users who share contact details.
      Answer question

      Question 2

      Second interview - White board session, building an architecture to details. given many tokens to an API given by users, build an architecture that queries the API with all the tokens, saving the data to a data lake. All in the highest scale possible, without breaking the API restrictions or losing data along the way.
      Answer question
      avatar
      Lusha Systems response
      5mo
      Thanks for sharing your experience 🙏 We’re glad the process felt clear and relevant. We hear you on the focus on specific frameworks. That’s valid, and we’ll take it back to the team so the conversation stays centered on how candidates think at scale, not on particular tools. Thanks again for the transparency. Wishing you the best in what’s next.