I'm a Mobile & Web Application Software Engineer, currently plying my trade at a healthcare software company in London, UK.
mysql_*
methods in PHP; they're deprecated for a reason, dude.
jQuery
and then doing absurd things with the DOM, or worse, using jQuery
and doing next to nothing with it; it's added bloat, man.
Wordpress // Yii (PHP) // Laravel (PHP) // Plain ol' MySQL // PHP5 // Javascript // Node.js // jQuery // Underscore.js // Android SDK // Java // PhoneGap
Ruby On Rails // Spree // Objective-C // iOS SDK (The iPhone SDK back then?!)