Seung Hyun Han@han1448Software Developer at RakutenFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceSoftware EngineerRakuten•  December 2016 - PresentEducationSeoul National University of TechnologyLinkshan1448 has not updated links details yet. Skillshan1448 has not updated skills details yet.