Sadullah DOĞAN@sado_doanSoftware Engineer at OBSSTurkeyFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillWork Experiencesado_doan has not updated employment details yet.Educationsado_doan has not updated education details yet.