1. Languages: Python, Java, Javascript
2. Databases: MySQL, PostgreSQL, SQL Server
3. Web: HTML5, CSS
4. Frameworks: Django, jQuery, JQuery.UI, Backbone.js, Angular.js, Knockout.js,
5. VCS: SVN, GIT
6. APIs: SOAP, XML-RPC, REST

http://careers.stackoverflow.com/aldarund

Some sites that i have done:

1. http://mailroute.net/
2. http://www.runorder.com/
3. https://www.signaturepages.com/
4. https://www.unsubscribedeals.com/