C#

C# is a object-oriented programming language used for web development. It was designed by Microsoft for the Common Language Infrastructure. It is a general-purpose language, first released in 2000. It is a compilation of C and C++.
Yan Cui
Server Architect Developer at Yubl
Łukasz Olejarczuk
Software Engineer, Technology Evangelist, CIO at NextApps
Erik Wendel
Frontend development lead at BEKK Consulting
Grzegorz Wilczyński
Software Engineer, System Architect