The whole process was divided into three stages. In the first test I got a task on the fulfillment of which I was given a week time. Ten days later, after I submitted the results of the test, I was invited to an interview via Skype. During this interview, I was asked a simple questions on machine learning, my qualifications, programming language skills, etc. Two weeks after that, I was invited for a second interview. The second interview was very similar to the first one: a few questions about the technology about personal preferences in work, etc. They promised to contact me in a couple of days. But only after three weeks I received a negative response. The main reason for the negative experience - a very long decision-making process. If you have a lot of free time, then you can go through the whole process, in my case, it took more than 2 months, which is quite a long period.