10 years of experience building applications. Built 3 startups before (from cero to client). Specialties: Software Architecture, Puzzle Solver, Product Design, Growth Hacking, Lean Startups. Tools: java, actionscript, javascript, mysql, linux, objective-c, python, php, node.js, mongodb, hadoop, mahout, activemq, AWS, rackspace, rails/ruby, redis, couchdb, mongodb, ubuntu, solr, lucene, apache, hive, cassandra, mysql, memcached. Worked as CTO, R&D, SEO/SEM, UX/UI, Team Lead. -- http://www.linkedin.com/in/calufa