There were four different interviews, all passed online:
Standard questions, usually two people from that side. The process moved quite fast, with no delays or long waitings between the interviews.
One of LeetCode tasks on live-coding, designing one of Booking's subsystems on the systems design interview.
The following metrics were computed from 3 interview experiences for the Booking.com Software Engineer role in Germany.
Booking.com's interview process for their Software Engineer roles in Germany is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Booking.com's Software Engineer interview process in Germany.