I applied through a recruiter. The process took 4 weeks. I interviewed at Criteo (Paris) in Nov 2019
Interview
A call from the HR explaining general facts about the company and asking general questions. followed by a Skype interview finished with 4 an on-site interviews (2 technical, 1 design, and 1 personality).
Interview questions [1]
Question 1
easy to medium questions focusing on multiprocessing and parallelization (matrices, lists, dictionaries, etc ...)
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
