Stefan Schulz@rubyfiFollow BadgesRuby Certificationsrubyfi has not earned any certificates yet. Work Experiencerubyfi has not updated employment details yet.Educationrubyfi has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/stefan-schulz-017012114/Portfoliohttps://rubyfi.de Skillsrubyfi has not updated skills details yet.