Have been developing websites for over 5 years, during this time has worked with many CMS - Joomla, WordPress, Drupal, ModX, Bitrix, OpenCart.
Also do and layout of websites - HTML5 + CSS3 + Twitter Bootstrap 3,4
Cross-browser layout, valid, and responsive. All code is commented, the layout is always checked for compliance with the layout.
Constantly engaged in learning and is always set to the result!