Joerg Jennerjahn@joerg_jenenrjahnGermanyFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencejoerg_jenenrjahn has not updated employment details yet.Educationjoerg_jenenrjahn has not updated education details yet.