Matthias Maetzen@MaetzenFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceMaetzen has not updated employment details yet.EducationMaetzen has not updated education details yet.LinksMaetzen has not updated links details yet. SkillsMaetzen has not updated skills details yet.