I've started working as Front-End & WordPress developer since earlier 2012 and I've also collaborated with many companies, individuals and freelance platforms.
I always work on my skills to get better more and more...
i have a good knowledge with :
HTML / HTML5
CSS / CSS3
CSS frameworks like : Bootstrap / Foundation / UIkit ... etc.
CSS preprocessors like : SASS / LESS / STYLUS
ReactJs [basic Knowledge]