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      First Resonance

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      Senior Software Engineer Interview

      2 Jan 2026
      Anonymous interview candidate
      El Segundo, CA
      Declined offer
      Negative experience
      Difficult interview

      Application

      I applied online. The process took 4 months. I interviewed at First Resonance (El Segundo, CA)

      Interview

      Almost 3 months to contact me after my application was submitted, then they are quick and responsive. Phone screen went fine. They asked about past experiences in relation to their work needs. Interviewer kept professional throughout the call, but his tone sounded highly annoyed. I was spot on with answering their questions. Due to the interviewer being sarcastic, I had to explain what paid parental leave was to him. Interviewer said they’ll give a take home test that’ll take only a few hours, followed by an onsite presentation. Interviewer lied about how long it’ll take to complete, in an extensive 5 part project that had important missing information purposefully withheld from the candidate. This is a classic set you up to fail scenario with a large multifaceted project – don’t fall for it. Do not waste your time with their take home assignment – they will steal your ideas and code for internal consumption and self promotions (for more money) on your time, and will ghost you once you submit it (been there before, not anymore). They want to see how naive you are with their take home test. I declined the position due to their take home test and purposefully withheld information. Overall, I was more comfortable than the interviewer was over the phone – that shows a lot. They think they are SpaceX and aim for hiring younger people, but they are not even close. The negative reviews speaks volumes for such a small company.

      Interview questions [1]

      Question 1

      What is paid parental leave? - interviewer being sarcastic and toying with me
      Answer question

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