Sebastian, Software Engineer, Architect and Software Engineering Guild Lead at UBS, is an experienced and dedicated technical leader and architect specializing in object-oriented design and programming, software architecture, code quality and agile. 

His main interest is practical usage of refactoring, testing and software development techniques in work with existing code. Both on class and application level.

He's also a speaker (JDD, GeeCon, Confitura, Devoxx, etc.), blogger (Let's talk about Java, DZone, JavaCodeGeeks) and trainer/consultant