I have more than 4 years of working experience in web development enviroments, mainly in PhP. I have experience with HTML, CSS, XML, AJAX, Javascript for front-end and PHP 4/5, Java Enterprise Edition, Node.js, and .Net MVC3 for back-end. I've worked with JQuery, Code Igniter (PhP Framework), Yii (PhP Framework), Java Sever Pages, distributed enterprise applications using JEE, i also have some experience with MongoDB, and i'm a wordpress expert devoloper experienced in creating plugins, widgets and themes. I also have Test Driven Development and Design Patterns concepts.