Ruby on Rails (2.3 & 3). Ruby 1.8 - 2.1

RVM and Bundler.
TDD/BDD with RSpec, Cucumber. Unit testing.
Mongrel, Thin and WEBrick application servers.

Java J2SE & J2EE (1.4 – 6)

JSP, Servlets, Applets, EJB.
TDD with JUnit, Mockito. Maven, Ant.
Frameworks: Hibernate, iBatis. Struts, Spring MVC.
GUI Frameworks: AWT, SWT, Swing. Eclipse RCP and PDE.
Tomcat, JBoss Portal and BEA Weblogic application servers.

Web development

HTML / HTML5, CSS (and LESS), XML, XSL.
JavaScript. Ajax. jQuery / jQuery Mobile. Backbone.js, Underscore.js
Perl / CGI and PHP basic knowledge.
Apache, Nginx web servers. Node.js, Socket.IO

Databases

General SQL. PL/SQL language and Stored procedures.
Database modelling.
Oracle (8i – 10g). MySQL (5 – 5.5). PostgreSQL. SQLite.
Redis (Key-value store / PubSub).
MongoDB. OrientDB.

Other skills

Shell scripting / Bash.
Apache Solr (Lucene-based Search Server).
Git, SVN and CVS version control systems.
Google SEO / SEM knowledge. Google Maps API. Amazon webservices.

Languages

English: good level.
Spanish: mother tongue.