UNIX (and UNIX like) system administrator. As part of my job, together with the environment team, I have build and maintained a computer cluster that was the basis for dozens of virtual machines with different OSes.

PHP, Perl and Python developer. We've developed websites like www.estudiolivre.org and www.mapsys.org.br (probably not online anymore). All the work I've done here is Open Source Software and is available throught Version Control Systems (like Subversion or CVS), more details in my profile at ohloh.net.

Ruby on Rails developer. At Ikwa I've been part of the development team, using Agile methods we've developed and maintained the www.ikwa.com.br website.

Successfully completed Support Python 2.5 features in PyPy interpreter with Python Software Foundation and PyPy.

Working as freelancer in Python (and Django) related projects.

Search Platform team, supporting company websites like www.apontador.com.br (portuguese)

Together with some friends I joined a startup/hacker's company focused on solving problems using "web technology". More info can be found at the hacklab website (portuguese)

Conexão Cultura project as the main developer. Social project consisting of a website, twitter account and a Firefox and Google Chrome plugin to display job, culture and related news focused on people who uses internet at LanHouses and Government internet facilities. Wrote and maintained PHP and Python code.

Volunteered as technology team coordinator at Ciclocidade NGO (São Paulo Urban Cyclists Association), was responsible for creating the basic infra-structure so other teams of volunteers could communicate and work on the NGOs projects. Since May/11 I left the coordinator role and was responsible for developing and maintaining the association membership website, written in Python and Django.

Development and maintanence of the Imperdivel website together with other developers. Python/Django and JavaScript/jQuery development and Linux/Ubuntu sysadmin (including nginx and apache webservers, load balancing and other sysadmin tasks).