I'm a front-end expert, i'm master all front-end skills as bootstrap, scss(compass), less, css, css3(animation), html, html5, responsive web design, jquery, greenshock, angular, foundation, php... i worked alot of big site for my old company, my work run good on all browser as ie 7,8, .. firefox, chrome, safari.... i can work quickly with bootstrap and scss run by yeoman, i can use git to upload file.