He has more than six years of experience mainly in polyglot development and high performance applications in finances, governments, social media and e-commerce. Otavio’s core knowledge and experience is in Java SE, Java EE, Spring, and Google App Engine (GAE). He also works with several databases both SQL and NoSQL such as Cassandra, MongoDB, Redis, Riak, Neo4J, ElasticSearch and beyond. Speaker, JUG leader at JavaBahia and SouJava and creator of Easy-Cassandra, Otavio is a member of several JSR Expert Groups, JCP executive member and contributor of JBoss Weld, Hibernate, Apache Commons. He has received a JCP Outstanding Award, Duke’s Choice Award and Java Champion Award.