I currently hack distributed systems at Heroku, in the Runtime team. We package code when you do git push heroku master and we run your code inside dynos. Amazing place to be at.
Not long ago, I was the Lead Engineer and Manager of the Cloud Computing team at Locaweb. Together with my team there, we built one of the biggest cloud computing, infrastructure automation and virtualization projects in Latin America (Xen and VMWare), which contained more than 4000 virtual machines.
I am a developer passionate about programming languages, compilers/interpreters/virtual machines, virtualization (hypervisors), operating systems and computer networks. I am also a co-author of the “Arquitetura e Design de Software” (Software Design and Architecture) and I have been speaking in great conferences, such as RailsConf 2011, QCon SP, Rails Summit Latin America, LinuxCon/XenDirections Latin America, Conexão Java, Campus Party, FISL, JustJava, Falando em Java, WebMobile TechWeek 2007, RejectConf SP’07, Maré de Agilidade, Ruby e Rails no mundo Real and others.
I graduated from Escola Politécnica, in the University of Sao Paulo. I don’t care too much about it, but I also have some certifications anyway. Pay me a beer and I tell you why I have them: 
- Java: SCJP, SCBCD 5 e SCEA 5
- Certified Ruby Programmer Silver
- Certified Scrum Master (!)
I currently develop on Macs, but I am also a Linux user since Guarani Linux 3.0. I started programming professionally in 2002 with Java, 2005 with Ruby and I have lived in Germany, where I worked with Java Web development. For many years, I was a proud instructor of Caelum, where I started the “Ruby and Rails revolution”, making a well known Java training center become also a well known Ruby training center in Brazil. I did a lot of consultancy and in-company courses and I truly love opensource, being a member of some opensource projects such as VRaptor, Codehaus Waffle, JettyRails and Caelum Stella.
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