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      Senior Software Engineer, Frontend Interview

      Nov 7, 2018
      Anonymous employee
      San Francisco, CA

      Other Senior Software Engineer, Frontend interview reviews for Slack

      Senior Frontend Developer Interview

      Feb 23, 2026
      Anonymous interview candidate
      No offer
      Positive experience
      Average interview
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. The process took 3 weeks. I interviewed at Slack (San Francisco, CA) in Sep 2018

      Interview

      The interview process was similar to others I've had, but definitely better than most of the other companies I interviewed with. I had a phone call with the recruiter who reached out to me via email, then a call with the hiring manager, then a take-home exercise (to be completed in one week), and then an onsite! What I loved about the interview process was that I thought it was challenging but incredibly fair. The take-home exercise is something I was able to complete but wasn't a walk-in-the-park. I do remember thinking how incredibly thoughtful the exercise was structured, because it touched on so many relevant web-development topics. I really enjoyed working on it. After finishing the exercise, I was invited onsite and interviewed with 4 different people. Two interviews were technical, and two were more conversational. Part of the onsite interview involves doing a code review of your own assessment, which I really enjoyed. Another wonderful thing about my interview process was that my panel was 50-50 male-female, which has never happened before and I've done quite a few onsites! Overall, I had a great interview experience and felt that my recruiter was preparing me the best she could and that she really advocated for me as a candidate. It means a lot.

      Interview questions [1]

      Question 1

      Web-development questions, but I don't want to share specifics.
      Answer question
      4

      Application

      I interviewed at Slack

      Interview

      A phone screen, followed by a video interview with the hiring manager, a take-home code review exercise, then a three-part final round of video interviews consisting of separate culture fit, front-end technical, and system design sessions with the team.

      Interview questions [1]

      Question 1

      Presented app idea. How would you go about building this?
      Answer question