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      Coolblue

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      Senior Front End Developer Interview

      May 8, 2023
      Anonymous Interview Candidate
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 4 days. I interviewed at Coolblue in Apr 2023

      Interview

      I applied online, and after a few days, they sent me an interview meeting link. Everything was going well until the interviewer asked about my experience with end-to-end (E2E) testing. While I had used E2E testing in my personal projects, I hadn't utilized it in a professional setting. They were specifically looking for someone with experience in writing E2E tests, which I lacked because there is another role (QA) for that. Unfortunately, they decided to end the interview process because of this requirement. It feels a bit harsh that not having used Cypress professionally led to the termination of the interview process. They didn't even mention E2E test in their job post. That's unprofessional.

      Interview questions [1]

      Question 1

      Why you would like to at CoolBlue?
      Answer question

      Other Senior Front End Developer Interview Reviews for Coolblue

      Senior Front-end Developer Interview

      Apr 9, 2026
      Anonymous Interview Candidate
      Róterdam
      No offer
      Positive experience
      Difficult interview

      Application

      I applied online. I interviewed at Coolblue (Róterdam) in Mar 2026

      Interview

      The interview process was well-organized (even though there was 2 weeks gap between 1st and 2nd interview rounds) and highly focused on Coolblue's core values (especially "Vrienden/Friends" and "Gewoon, doen/Just do it"). They care just as much about your communication and mentoring skills as they do about your technical expertise. Round 1: Recruiter Screen. A standard introductory call discussing my background, my motivation for joining Coolblue, and aligning on expectations and process. Round 2: Behavioral & Cultural Fit. A 60-minute video call with two Engineering Team Leads. This was a deep-dive into stakeholder management, conflict resolution, and mentorship. The interviewers were friendly but asked very direct, drilling follow-up questions. If you give a high-level answer, they will immediately ask, "Okay, but what exactly did you do?" or "How did you confirm the result?" Even though I did not get the offer, I rated the experience as "Positive" because their rejection email contained some of the most detailed, constructive feedback I have ever received in my career, which helped me identify exactly what I need to improve in my storytelling. My advice for interviewees: 1. Be Concise: Use the STAR method, but start with the "Bottom Line Up Front." Don't ramble or give too much backstory. They want clear, structured communication. 2. If they ask a specific question you don't have a perfect answer for, do not try to make up filler content.

      Senior Front-end Developer Interview

      Mar 22, 2022
      Anonymous Interview Candidate
      Róterdam
      No offer
      Negative experience
      Easy interview

      Application

      I applied online. The process took 1 week. I interviewed at Coolblue (Róterdam) in Mar 2022

      Interview

      First call. It looks like the manager does not quite qualitatively evaluate the candidates. Strange questions. They want the candidate to admire them. There is no regret, there is no point in working in such company.

      Interview questions [1]

      Question 1

      What you like about Coolblue?
      Answer question
      1