Martin Petrov@Marto_PetrovBulgariaFollow BadgesProblem SolvingJavaSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork ExperienceMarto_Petrov has not updated employment details yet.EducationPGTKInformation engineering