Marcel Franke@donutloopSoftware engineerGermanyFollowAboutEducationUdacity BadgesProblem SolvingCPPJavaPythonDays of CodeSqlC languageRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Go (Basic)VerifiedskillWork Experiencedonutloop has not updated employment details yet.EducationUdacitySoftware Engineering