I applied online. The process took 4 weeks. I interviewed at Datadog (Paris) in Sept 2018
Interview
I had a chat with a recruiter before receiving a home assignment with a vague explanation and little direction, I submitted the home assignment and was rejected, they offered to give some feedback but never called me back.
Interview questions [1]
Question 1
Create an application that monitors CPU load and generates alerts if it's too high, display the alerts and the load on a webpage.