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      Lab49

      Acquired by ION Group

      Engaged employer

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      Related searches: Lab49 reviews | Lab49 jobs | Lab49 salaries | Lab49 benefits
      Lab49 interviewsLab49 Senior Software Developer interviewsLab49 interview


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      Senior Software Developer Interview

      Nov 29, 2012
      Anonymous interview candidate
      No offer
      Neutral experience
      Average interview

      Application

      I applied through a recruiter. The process took 1 day. I interviewed at Lab49 in Sep 2012

      Interview

      I was called by a recruiter who said they're hiring and if I would be ok for an interview over the phone - a technical screen. I said sure. He started right away. I wasn't expecting that. I needed a bit of prep. This gentleman asked me about 12 - 15 really really obscure java questions, and they had little to do with data structures or algorithms. I know that I got a few of them wrong. He took down my answers. And a day later he said that the technical team didn't want to proceed ahead.

      Interview questions [1]

      Question 1

      Can an anonymous class in Java only extend another class, only implement an interface, do both or do none?
      1 Answer

      Other Senior Software Developer interview reviews for Lab49

      Senior Software Engineer Interview

      Feb 4, 2026
      Anonymous interview candidate
      Budapest
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Lab49 (Budapest) in Nov 2025

      Interview

      First Round: regular HR round talking about the company, and relevant previous experiences Second Round: 90 minutes live coding. Allowed to read docs or ask questions, but can't use AI or google the solution. Difficulty is a bit hard to judge, because the problems were the type where knowledge of specific patterns is required, and that determines whether it's hard or trivial. Style of coding and a compact and "elegant" solution were emphasized over relevant skills, or thought process. There was no followup or any feedback after the second round.

      Interview questions [1]

      Question 1

      Make concurrent calls to a paginated API and concat the results in order. Display the results, then write various algorithms working with the above data.
      Answer question
      1

      Senior Software Developer Interview

      Sep 1, 2025
      Anonymous interview candidate
      Budapest
      No offer
      Neutral experience
      Average interview

      Application

      I applied online. I interviewed at Lab49 (Budapest)

      Interview

      They said the interview process will take 4 rounds. Two technical coding interviews and two talking interviews. The first interview was about clean coding. The task was finding a bug in the code. Then refactor it how I want it.

      Interview questions [1]

      Question 1

      Fix the bug. Then refactor the code how you want it.
      Answer question
      2

      Senior Software Engineer Interview

      May 29, 2025
      Anonymous interview candidate
      No offer
      Negative experience
      Average interview

      Application

      I interviewed at Lab49

      Interview

      I had 2 HR screenings then a hackerrank technical interview in which after solving one exercise the interviewer wanted me to solve another one and even though the interview was supposed to last 90 minutes he cut it short at 60 and that was it. I was not able to finish the second exercise. So what do they want?
      2

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