JHLEE sdfsdf@jjjeeettt15sdfsdfFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencejjjeeettt15 has not updated employment details yet.EducationSeoul National University of TechnologyLinksjjjeeettt15 has not updated links details yet. Skillsjjjeeettt15 has not updated skills details yet.