Let me help:
://www.glassdoor/Reviews/Crytek-Reviews-E347451.htm
Read the ones especially with 8+ years of work there. They are the ones that brings the most light.
For example I think this one summarises all:
://www.glassdoor/Reviews/Employee-Review-Crytek-RVW5486561.htm
Also
%100 agree. the only one more thing I wish from UE4 is a very nice quality and high performance real time GI solution. Not like current LPV. Just like the one in CryEngine. Just a couple of sliders and a sun/ moon. No fuss no muss.
Who knows with this speed maybe one day ??? One can dream…