CHRISTOS TSAKMAKIS@zelmanblueSoftware EngineerFollow BadgesProblem SolvingDays of JSSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencezelmanblue has not updated employment details yet.Educationzelmanblue has not updated education details yet.LinksLinkedinNPfV2HQ8ZOXT6K6QVGk+abH0Xd51nt65zN2UICI7LnY= Skillszelmanblue has not updated skills details yet.