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      Criteo

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      Software Engineer Interview

      5 May 2017
      Anonymous interview candidate
      Grenoble
      No offer
      Positive experience
      Average interview

      Application

      I applied online. The process took 3 weeks. I interviewed at Criteo (Grenoble) in Mar 2017

      Interview

      1 skype interview 2 on-site technical interviews 1 on-site system design interview 1 on-site "cultural fit" interview Questions were less difficult then I "feared" but this was still a challenge. My recommandations: - keep attention to details, but don't loose yourself into details. people want to see your ability to solve problems, not your Java / C++ syntax skills. Focus on logic, not on syntax, not even on edge cases. - always keep talking, explaining what you are doing - be honest: my interlocutor thought that my solution was 100% working, I had to argue that there were still pieces missing. I guess this was appreciated. - system design: know your figures and basic maths. I lost myself into stupid calculations. - don't overdress! - be careful with "cultural fit" interview (the last of the series): it's not just a chat with a future colleague, it's still a way to test your profesionalism

      Interview questions [4]

      Question 1

      moving average of an array of integer
      1 Answer

      Question 2

      code a bb code parser
      1 Answer

      Question 3

      code an "old phone sms keyboard" (one number = 3 possible letters) with a limited list of words
      1 Answer

      Question 4

      design a web crawler
      1 Answer
      2
      avatar
      Criteo response
      9y
      Thank you very much for sharing your experience with us here on Glassdoor. We’re delighted that you had a positive candidate experience. Although it didn’t turn out into an offer, we highly encourage you to check back in the future if we have new opportunities in Grenoble or Paris ! Thanks again for sharing.

      Other Software Engineer interview reviews for Criteo

      Software Engineer Interview

      22 Apr 2026
      Anonymous interview candidate
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Criteo

      Interview

      This has first round of HR screening and two rounds of Technical round (more coding discussing with interviewer) and one round of system design. Later last round of offer discussion.

      Software Engineer Interview

      9 Mar 2026
      Anonymous interview candidate
      Paris
      No offer
      Neutral experience
      Difficult interview

      Application

      I interviewed at Criteo (Paris)

      Interview

      Processus de recrutement en quatre étapes : un entretien RH pour discuter du parcours et des motivations, un entretien technique Python d’environ 1h avec des exercices de programmation, un entretien technique web de 2h portant sur les technologies et concepts web, et enfin un entretien d’1h sur le software design pour évaluer les compétences en architecture et conception de systèmes.

      Interview questions [1]

      Question 1

      Programme Python classique pour vérifier si les parenthèses sont valides
      Answer question

      Software Engineer Interview

      4 Mar 2026
      Anonymous interview candidate
      Bucharest, Bucuresti
      No offer
      Positive experience
      Average interview

      Application

      I applied online. I interviewed at Criteo (Bucharest, Bucuresti) in Jan 2026

      Interview

      application screening, followed by a initial video interview with the HR, than a first technical interview to assess basic qualifications. Questions were of type medium leetcode problem with deep dive and improvements after

      Interview questions [1]

      Question 1

      why are you chosing criteo
      Answer question

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