Started with a 1.5 hours in office code writing assignment, and a 10-15 minutes code review later on.

Moved on to two more technical interviews, 45 minutes each. Then had three more interviews with HR, Tech Lead and Head of R&D. Six interviews in total. All went well. People were kind and pleasant. Behaving with the right respect to the candidate, and asking real-life tech questions, not just barely relevant academic quizzes.

How to implement a sorted list which keeps changing on a minimal time complexity