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      OneSignal

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      Staff Software Engineer Interview

      Jun 10, 2025
      Anonymous employee
      San Mateo, CA
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through an employee referral. I interviewed at OneSignal (San Mateo, CA) in Jan 2025

      Interview

      The interview process was straightforward, technical, and fair. There were no "tricks" or "gotchas", and I did not receive a "Leetcode" problem. After my first conversation with the recruiter I had a good sense of what the interview process would entail and I was able to brush up in some areas ahead of time. The interviews themselves were low-stress and amiable. I came away with a good sense of what my future coworkers would be like. Due to scheduling, I had to break up the "virtual onsite" into two days where I had a few interviews back-to-back each day. I wound up liking this setup because I had more time to recoup between interviews. I didn't have to endure a day-long slog.

      Interview questions [1]

      Question 1

      What's your favorite hiking trail?
      1 Answer

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