Otavio is a passionate architect and software engineer focused on cloud and Java technologies. He has deep expertise in polyglot persistence and high-performance applications in finance, social media, and e-commerce. As a global speaker, he has presented at the most significant international conferences, such as JavaOne, TDC, and Devoxx. He volunteers and helps organize several Java User Groups and meetups around the globe. Otavio is recognized for his Open Source contributions and has received many awards, including all JCP Awards categories and the Duke’s Choice Award, to name a few. Otavio is also a distinguished member of the Java Champions and Oracle ACE programs. Otavio loves history, economy, traveling, programming, and real-world languages. He speaks Portuguese, English, Spanish, Italian, and French and is fluent in dad jokes.
Karina Varela has been working with enterprise technologies for over ten years, focusing on cloud solutions, Java technologies, and the open-source culture. Her solid knowledge is built on practical experience in development, architecture, delivery, and troubleshooting production applications and products. Having worked at Red Hat, the biggest open-source company in the industry, not only does she bring a vast understanding of the open-source model and the open communities - but she is also largely involved in the delivery of architecture and delivery of critical-mission software in multiple sectors around the globe and was awarded the Red Hat champion recognition. Karina is well recognized amongst the Java community for articles and blogs, books, talks at international tech conferences, open-source contributions, and active nurturing and management of communities like SOUJava.