May 6, 2012
Since 2004. I started immediately after finishing college. I started a web development company where I sold hosting services and freelanced designs in 2007. I eventually closed it in 2011.
Yes, I am employed as a senior software engineer.
Linux Servers, Mac OS X, Windows, and Android.
I've written apps for Linux, Windows, Mac, iOS, and Android. I am the author of the book "HTML5 Game Engines" published by CRC Press. I've hosted web sites, written numerous web apps, open source apps, and I am a frequent speaker.