Booking.com Software Engineer II interview questions

1. OA - There was an implementation already provided in the project, I had to implement 3 new APIs and also add the Unit tests for them, and if existing unit tests are breaking then fix them as well. 2. Recruiter call - Interested in knowing what have you worked on. how much experience and the motivation to join booking - Amsterdam office Onsite - 1. Coding Round - Simple BFS Question 2. System Design Round - In depth understanding of system design core concepts and scaling your existing system to booking scale.

I had following question on coding and system design sections: 1. Question about hotel rooms availability. 2. Question about antifraud system. Cultural fit was more or less standartized. Most question was about behavior in different situations.