I'm a Ruby on Rails developer, with a good experience in Python (Django/Tornado/Scrappy) and PHP (Typo3, Drupal, CodeIgniter) as well. Basically, I prefer Ruby and Python for back end development now.
Here's my technologies/frameworks/libraries skills summary:
Php: Typo3, Drupal, CodeIgniter
Python: PyQt4, NumPy
SCM: git, svn