I applied through an employee referral. I interviewed at Criteo (Paris) in Oct 2014
Interview
Referred by coworker from previous company.
Skype-based screening interview with basic but in-depth computer science questions.
3-phased panel interview (coding, computer science, software design/architecture) in Paris. Company provided for transportation. Difficult interviews but interviewers very humane, they make sure the candidates is comfortable.
Challenging but great experience.
Interview questions [1]
Question 1
Design a resilient, very large scale web application.
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.
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
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
Software Engineer applicants have rated the interview process at Criteo with 3.1 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 80% positive. To compare, the company-average is 70.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Software Engineer roles take an average of 22 days to get hired, when considering 31 user submitted interviews for this role. To compare, the hiring process at Criteo overall takes an average of 26 days.
Common stages of the interview process at Criteo as a Software Engineer according to 31 Glassdoor interviews include:
Phone interview: 31%
One on one interview: 28%
Skills test: 13%
Presentation: 10%
Group panel interview: 9%
Background check: 3%
Drug test: 3%
IQ intelligence test: 1%
Personality test: 1%
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