Amazon Software Development Engineer interview questions

Applied online and got a phone screening which is pretty straight forward interview questions about data structures. Later called me for on-site interview which is a bit hard and focuses more on Algorithms and playing around with linked lists, Strings and queues. They asked me to write code in C++ for Poker Game

1 phone screen + 5 trechnical interviews, Techinical interview was fully algorithm and data structure questions, and questions on past projects and. Drilling deep on past projects. Design questions to test OOP principles. A lunch interview with the senior manager to discuss scope and problem statement for the current team.