I applied through an employee referral. I interviewed at Criteo (Paris) in Apr 2018
Interview
HR - quick interview
Coding test -remote: shared screen, you start a coding test. On my case it was very simple - search test - find a word inside array. Then optimize the search complexity.
Interview questions [1]
Question 1
Find a string inside and array, reduce the search complexity.
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 (Bucarest, ) 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