It is consisted of two steps. First round is the interview by EPAM itself. It was domain specific and relatively neutral in difficulty. The second round is the interview by client. It was a bit confusing because I was waiting for domain specific interview but it was code challenge. The question was in medium difficulty. I messed up in covering all the edge cases and interviewer asked to use only math to solve the problem. Generally speaking, interview process is smooth. Communication is also good during the process.