I am a system engineer for more than 10 years now working with more than 700 windows workstations, many windows 2012 servers (Acitve Directory, DHCP, DNS, GPO, printserver, SCCM - System Center Configuration Manager, IIS, etc.). I'm expert of all windows platform and working for a world wide company for years.
I create Windows and web applications for companies for daily jobs in C#.NET and ASP.NET (inventory, HR, administration, etc.)
I also do SEO jobs, site builds using CMS (WordPress, Drupal, Joomla).