I applied through college or university. The process took 4 weeks. I interviewed at Criteo (Paris) in Oct 2019
Interview
Online coding test with the language of your choice (~1h).
HR phone interview (~15min).
2 onsite interviews (~1h30): coding, and machine learning.
Once I received the offer, I had 3 days to give my definitive answer.
Interview questions [3]
Question 1
Choose a machine learning algorithm and explain it on a whiteboard.