Since 2007 working on web projects, developing web sites, web and mobile applications using Ext JS, Sencha Touch, Yii (PHP) and My SQL. Became moderator of the Brazilian Ext JS Forum and with all the help provided to help members in their questions, now is a master profile in the community. Currently is a Sencha MVP member. Developed applications such as a small business management application, church management application, dynamic dashboards and CRM (Meta Data), mobile applications with Ext JS, Sencha Touch, products like automatic application generator (Poligen), base, components and other products for Ext JS applications to high productivity development. In 2011 was founded the Policeno Sistemas company with many products and services with analysis and development, as well as consulting and training. Currently have a Ext JS Expert Team working with international projects focused on Ext JS. With strong specialty working with Ext JS and Sencha products, always focusing on code quality and system architecture, maintaining best practices for best performance and great final product of better quality.