Database (OLAP) modelling (ETL, MS/SQL, mySql, sqlite, PL/SQL, TSQL, Oracle)

iOS Developer (Objective-C)

Fluent in Facebook API, in JS, iOS, Ruby on Rails and PHP

Java (Android) developer

JS/jQuery

Ruby on Rails (Koala, Radiant)

Image processing- ImageMagick (rMagick, iMagick)