Veteran developer of 25 years.
10 years in web development for HTML/PHP (LAMP), NodeJS, MySQL, MongoDB. Worked at Xfire (webdev mgr), Kochava.com, others.
10 years in single, multi, and massive-multiplayer games for Win95, PlayStation, PS2,J2ME Mobile. Worked at Accolade, Interplay, Sony, others.
5 years in data mining and OpenRTB real-time bidding (mobile advertising).
And lots of misc projects in-between.