Booking.com Developer interview questions

I was contacted by HR through Linkedin. As first step we set up an informative call in which I got more information about BookingGo and I had the possibility to present myself. Then I was invited to complete an Hackerrank task. The Hackerrank task was composed by some technical questions, one SQL exercise and two problems. One of this problem was related to API calls, data structure and algorithm. The second one was optional and definitively more complicated to solve. After the Hackerrank step I was invited to two conference call interviews of 1 hour each. The first interview was focused on methodologies, behavior and past experiences. The second one was focused on technical skills, coding questions, network and system design. Finally I had the possibility to talk with another Senior Software Engineer in my possible future team about technologies, frameworks, past experiences. The interview process was fantastic and well conducted by HR: I was always informed in time about the status of the interview and the results. The final offer, considering technologies, salary and benefits, was good, but unfortunately I had to decline for personal problems.