Otavio is an award-winning software engineer and architect passionate about empowering other engineers with open-source best practices to build highly scalable and efficient software. He is a renowned contributor to the Java and open-source ecosystems and has received numerous awards and accolades for his work. Otavio's interests include history, economy, travel, and fluency in multiple languages, all seasoned with a great sense of humor.

Elder helps Java developers to build and deliver fast and high available server-side applications, so they can work on amazing projects. He is a Java Champion, a published author of six books, and a board member at SouJava, one of the biggest JUGs in the world. As a Developer Advocate, Elder shares experiences and best practices through online content and at international events like JavaOne, The Developers Conference, QCon, Oracle Code One, Campus Party, JCon, and Devnexus.

I'm a father of 2 boys and in my free time a Java Developer, creator of the blog Tip of The Day, and an Open Source contributor.

Maximillian has been involved with software development since 2003, he is a Backend Software Engineer at Digibee, Developer Advocate, SouJava JUG leader, Open-source enthusiast, Committer of the Eclipse JNoSQL Project - an implementation for Jakarta NoSQL and Jakarta Data specifications, Jakarta EE Contributor and Ambassador, who enjoys learning and helping developers by organizing, participating, and speaking at tech events and meetup community events.

Besides liking tech stuff, Maximillian loves martial arts, especially Shotokan Karate - he is 1st DAN and he teaches in the school that his association is part of. He follows the "family first" philosophy! He loves to enjoy and play video-games with his sons: Pietro and Giulliano. Of course, he loves so much with his wife: Maira.