Programming experience:
1c:Enterprise 7.7 and 8.* programmer - 2 years.
C/C++, Qt, SVN - 2 years.
PHP 5.* - totally about 1 year.
Java SE, .Net, ASP.Net, JS, CSS, OpenGL, linux kernel internals, 3D Studio Max + VRay - two to six months.
STL, Minix kernel internals, DirectX - 1 month or less.

Practical usage of OSes: DOS - a bit, Windows* - since 1998, Ubuntu linux - since 2009, Gentoo linux - totally about 1 year.

Spoken languages: Russian - native language, English - above intermediate, German - novice.