I work in the Internet area since 2000. It played several roles, but today the focus is on systems and infrastructure.
Knowledge base: development, infrastructure and performance. I helped develop major projects in Brazil and other countries, such as: teaching platform, payment gateway, content portals, service sites, etc.
Key skills: back-end and front-end development, SEO, application performance, optimization and server infrastructure, security, online marketing, social media, etc.