[edit] Please do reach out via the message board to discuss
Tested and ranked in the top 1% of all PHP developers (nathanr on elance), member of the PHP community for 9 years, former member of the internals team, referenced by Dan Brown to be the second best PHP developer he's ever worked with (#1 was the PHP creator).
HTML 5, I helped write the specification, was heavily involved in Microdata, and am one of the spec writers for RDFa Core. CSS 3 I know like the back of my hand together with all nuances.
Javascript, I write javascript libraries for RDF, wrote the RDF Interfaces specification, work along side the creator of the web (Sir Tim Berners-Lee) on his Tabulator library, contribute to unhosted, ripple (crypto currency), node.js (crypto + auth) and various other projects.
Invited Expert at the following W3C Working Groups: HTML, RDF, RDF Web Applications, RDFa, Federated Social Web, WebID, Architecture of the World Wide Semantic Web, Technical Architecture Group (TAG), Read Write Web, Web Payments.
On the database side I'm adept at MySQL having used it since it's inception, but also with SPARQL, SQL, SPARUL, PL/SQL, T-SQL, Data Transformation, Openlink Virtuoso, Casandra, MongoDB, CouchDB, SOLR/Lucene, PostgreSQL, SQLite and a few more
On the Actionscript front I've won competitions for my Actionscript and Flex work over on envato, and was a key member of the HaXe community for a while.
I refuse to touch Drupal / Joomla.
Feel free to google my username for more.