Cătălin Tudose is an experienced software engineer, working with Java since early 2000s. He took part in various telecommunications and financial projects, as a Java senior developer, Java technical team lead, and architect. He also developed and delivered training for companies and universities on subjects like Java, Spring, Hibernate, Design Patterns, Code Refactoring, Automated Testing, and Software Architecture. Together with Luxoft, he initiated and introduced the “Advanced Java Programming” course for the students pursuing their master’s degree at the Faculty of Automation and Computer Science in Bucharest. He wrote "JUnit in Action" 3rd edition (https://www.manning.com/books/junit-in-action-third-edition) and is the author of 6 courses and 1 project on the Pluralsight platform (https://app.pluralsight.com/profile/author/catalin-tudose). More details: https://www.luxoft-training.com/trainers/tudose/?sphrase_id=11243893 https://www.linkedin.com/in/catalin-tudose-847667a1/ He participated in various conferences: DevTalks (Romania), Click2020 (Poland), Conf42 (Poland), CodeCamp (Romania), JAX Mainz, Bucharest Technology Week, DevTalks (Romania), JAX London, TheDevConf (Brazil), VoxxedDays (Romania), JavaZone (Norway). He had speeches for different Java User Groups in Romania, Poland, Spain, Turkey. The topics include Spring, Java persistence, automated testing, JUnit 5, Test Driven Development, Behavior Driven Development.