Sergio Javier R.

My trajectory goes from the freelance work to being part of big multinational corporations. My characteristic is to offer added value to your solutions. My experience includes web sites, web applications, middleware integrators and core bussiness logic. I use agile development methodologies like SCRUM so early results are a MUST in all projects. ## Area of Expertise ## * Programming Languages Java, PHP * Version systems CVS, SVN, GIT * Web Technologies HTML, JavaScript, jQuery, CSS, AJAX, Servlets, JSF, Web Services. * Servers, Containers and App Servers IIS, Apache, Tomcat, JBoss. * Frameworks and Tools Struts, Hibernate, Symfony, Apache Ant, Maven, JUnit, Composer, PHPUnit. * Database Systems Oracle (PL/SQL), SQL Server (T-SQL), MySQL. I use all the necessary tools and technologies that allow us to build and manage all the software engineering process.