TL;DR:
Indeed, your time is worth zero.
First interview is a phone screen with two easy questions. Then, it's a take-home project. I spent 6-8 hours on it and received a review that seemed to take only 10 minutes to check. I feel very disappointed. The reviewer didn't understand my implementation and just gave a negative note.
Very easy coding questions. I don't see there are algorithms.
The following metrics were computed from 65 interview experiences for the Datadog Software Engineer role in France.
Datadog's interview process for their Software Engineer roles in France is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Datadog's Software Engineer interview process in France.