I am an extremely experienced WordPress developer. my particular areas of expertise are: HTML5, CSS3, PHP and of course WordPress. I have done a lot of WordPress plugins and themes, numerous payment gateways for WooCommerce, Jigoshop and Easy Digital Downloads.
I am an co-owner of MooMoo Web Studio and here our portfolio: http://moomoo.agency
Also I am a member of HighSea Studio and here are our themes: http://themeforest.net/user/highsea/portfolio