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      Klaviyo

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      Senior Software Engineer Interview

      Jun 21, 2023
      Anonymous Interview Candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied online. I interviewed at Klaviyo in May 2023

      Interview

      I wouldnt know because the process never started. After appliying online i was emailed about scheduling a phone call to start the process only to be met by no responses by the recruiter. I mentiomed that during the time he set out that i would be on vacation but i would gladly make time because it was a position that truly interested me. After the third email he finally responded and we agreed on a time. At the time ofthe interview he messaged me 20 after the scheduled time saying that he could not reach me by phone. He sent a zoom link and after finally getting on he said he didnt want to rush the interview and to re schedule for the day after at the same time, i agreed. Before the interview i asked for a zoom linkin order to assure being prepared this time. No answer. Emailed right before and again no answer. Essentially being disrespectful to my personal time.

      Interview questions [1]

      Question 1

      Nothing relevant to post on ybis matter.
      Answer question
      4
      avatar
      Klaviyo response
      2y
      We’re very sorry to hear that this was your experience with us. Thank you for taking the time to write this review and share your experience.

      Other Senior Software Engineer Interview Reviews for Klaviyo

      Senior Software Engineer Interview

      Oct 14, 2025
      Anonymous Interview Candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 1 week. I interviewed at Klaviyo in Jul 2025

      Interview

      Typical interview process. Recruiter call, online assessment, and then supposed to have a hiring manager round. I cleared the online assessment but was ghosted after that round. No response from recruiter.

      Interview questions [1]

      Question 1

      In the line of implementing key value database
      Answer question
      1

      Senior Software Engineer Interview

      Jun 23, 2025
      Anonymous Interview Candidate
      No offer
      Negative experience
      Easy interview

      Application

      I applied through a recruiter. The process took 2 weeks. I interviewed at Klaviyo

      Interview

      The recruiter reached out via linkedin, then set me up for an OA which I aced, and then arranged a 45 mins conversation with the hiring manager. After this they ghosted me. Totally unprofessional.

      Interview questions [1]

      Question 1

      Go over a challenging project.
      Answer question
      1

      Sr. Software Engineer Interview

      Mar 5, 2025
      Anonymous Interview Candidate
      No offer
      Positive experience
      Easy interview

      Application

      I interviewed at Klaviyo

      Interview

      Round 1: Coding Assignment (CodeSignal) A take-home or timed industrial coding challenge from code signal Round 2: Hiring Manager Interview A conversation with the hiring manager to discuss your background, interests, and alignment with the role. Onsite Rounds: Round 3: Deep Dive – Work & System Design Discussion A technical deep dive into your past projects and contributions. Be mindful of not just the architecture, but also why some decisions were made. Round 4: Leadership & Behavioral Round A structured behavioral interview to assess leadership, teamwork, and problem-solving in complex situations. Focuses on past experiences, conflict resolution, and decision-making skills. Round 5: API Design & Best Practices (Coding Round) A practical coding session, not purely algorithmic but focused on designing and building a small API/system from scratch. Asked about scalability, maintainability, and software design principles. Round 6: System Design Enhancements Given an existing system design, you’ll be asked to analyze it and propose improvements. Expect discussions around scalability, reliability, trade-offs, and edge cases. I guess I failed at this step, since it was an unknown with this style of interview. Great people involved and were very accommodating.

      Interview questions [1]

      Question 1

      Conflict was asked twice, how did you resolve conflict.
      Answer question
      2