I worked in XNA 2d and 3d. I worked in DirectX9, DirectX10, DirectX11 on: forward and deferred rendering, model and animation system, particle system, post processing system. Also with Bullet physics, RecastDetour pathfinding, Unity 3D game engine. I wrote large quantities of shaders along, HLSL. Other than game programming I was working HTML, CSS, Javascript, PHP, ASP .NET, VisualBasic, WindowsForms, made few plugins for Maya and other. I feel most comfortable with C++ and C#.