Speedy interview process, within 4 weeks I went from submitting my CV to being rejected. It starts with a phone interview, followed by a jabber (skype) interview followed by onsites. Very focused around C/C++. Despite them telling you you can use any language, every answer you give will be redirected to a C/C++ question. Know how those languages work internally, very much focus on that. Actual problem solving part was very easy, and actually found the jabber interview harder than onsites. Despite solving all their problems, I failed some C/C++ language knowledge questions and got rejected. They seem to value actual knowledge more than problem-sovling abilities, so keep that in mind.