Aggiungerò o correggerò html, html5 o css, css3

Over the last 6 years, I have developed many kinds of Websites and web related projects. My skills are as following:- Front-end: HTML/CSS, Bootstrap, JavaScript, AJAX, jQuery, jQuery UI, DOM manipulation Back-end: PHP, cURL, Web Services, API Development PHP Frameworks: Zend 1, Zend 2, Code Igniter, Laravel Databases: MySQL and PostgreSQL. Server Management: WAMP, LAMP Agile Development: Jira and scrum. APIs: Google, Facebook, Twitter, Google Maps, EAN, Pay-p-a-l, Youtube Repository Management: GIT and SVN. CMS: WordPress I am a detail-oriented person with professional approach.