JDD is one of Europe's longest-running software engineering conferences. For more than two decades, it has brought together software engineers, architects, engineering leaders and technology experts building modern production systems.
The 2026 edition features eight dedicated tracks covering Java and JVM, software architecture, reliability, AI Engineering, engineering leadership and emerging technologies. The conference also includes community-driven initiatives such as JUGmajster and the Unconference.
JDD 2026 takes place on 20-21 October 2026 in Kraków, Poland.
