There was no interview with a person to get the job, but there was a series of tests to determine if you can perform the work. It was fairly simple, and they provide study materials to prepare.
They give you all the information you need through email. You are given a guidelines pdf which you need to study and then you must pass a test. Straightforward process.
There is no formal interview process. The main method for qualification for the position is done by passing the exams, which would either qualify or disqualify you from moving forward with the position.