Jan-Philipp Heine@janheiFollow BadgesProblem SolvingSqlRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencejanhei has not updated employment details yet.Educationjanhei has not updated education details yet.Linksjanhei has not updated links details yet. Skillsjanhei has not updated skills details yet.