joohans kim@joohanySoftware developer at KakaocorpFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencejoohany has not updated employment details yet.Educationjoohany has not updated education details yet.Linksjoohany has not updated links details yet. Skillsjoohany has not updated skills details yet.