The interview process consists of 4 steps
The pair programming session contains an improvement exercise of an existing code. That pretty simple test to understand your programming skills.
The system design session contains a case study. It is again based on improvements to an existing service
Behavioral with product session is mostly understanding how can you work with the product side.
Behavioral with the director of engineering is mostly if you are a good fit for the culture.
Can you work in an international environment as I see you are Turkish?
The following metrics were computed from 1 interview experience for the CircleCI Senior Staff Engineer role in Germany.
CircleCI's interview process for their Senior Staff Engineer roles in Germany is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for CircleCI's Senior Staff Engineer interview process in Germany.