The first step is a set of problems to assess problem-solving skills. Any prior knowledge is needed. After it, a more practical test is required. Eventually, there are a couple or more Skype interviews.
Solve some easy business problem.
The following metrics were computed from 4 interview experiences for the Bending Spoons Machine Learning Scientist role.
Bending Spoons's interview process for their Machine Learning Scientist roles is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Bending Spoons's Machine Learning Scientist interview process.