Sven Woltmann

Sven Woltmann has been working with Java for over 30 years—as a developer, architect, trainer, author, and speaker. With HappyCoders.eu, he runs one of the most widely read Java blogs in the German-speaking world. As a conference and JUG speaker, he is known for explaining even complex technical concepts in a clear and practical way. In his training sessions, he combines a deep technical understanding with many years of project experience—with the goal of ensuring that what participants learn can be immediately applied in real-world projects.