First interview - general stuff, looking to know if you're familiar with technologies second interview - C++ questions, 1 riddle, and 1 software design question third interview - home work assignment in C++, parsing binary files and building rules mechanism around them fourth - HR interview and final offer afterwards.

first interview - technical questions second interview - logic riddles and deep technical questions about C++ or JavaScript or Python + Homework task that needs to be submitted in 48 hours. third interview - Human resource interview with regular questions such as habits, strong sides and weaknesses