Criteo Software Engineer interview experience

The first step was a quick phone screen about my overall experience and motivation—there weren’t any technical questions there. After that, I moved into two Skype interviews, and each one centered on a single algorithmic task.

On the coding rounds, I worked in an online editor, wrote code, and also had to explain the time and memory complexity. Then the interviewer would push the task further—complicating it by adding constraints like what to do if the input didn’t fit in RAM, or how to think about spreading load across multiple hosts. The onsite followed as a full single-day loop of four