Ruby2 years experience
Necessary ruby for running ruby on rails and debbuging gem problems.
HTML/CSS3 years experience
Learned HTML/CSS basics in engineering school, then applied in during web-develloper experience in a t-shirt e-commerce website.
Android1 year experience
I got excited learning android in university while thinking about a start-up with some friends - and built some android apps during that time. We started with android...