EPAM Systems Developer interview questions

Initially was e-mail from HR for readiness to take opportunities in this company. After several days there were a phone interview with her. Was asked about current position, known technology and my skills. Then scheduled interview with two company's developers. It was in skype with ability to code on the shared web page. I was asked about my recent project on current workplace, about my input to these projects. Which technical solutions were used there and why (design patterns, choosing sync. objects in multithreading application, object-oriented design questions). There was a task for designing a class for specific behavior, and I should be write a class declaration for that. HR said that everything was good, but we hadn't agreed with compensation, so I decided to decline this process and do not go further.

It took at least 3 hours. Was asked about C/ C++ basics. There was a lot of questions from different persons. They asked me about previous employer and why I want this job. Some questions was on the whiteboard with source code I was asked to write. Some basic questions about algorithms.