JungChoon Park@unlimitedfocusRepublic of KoreaFollow BadgesProblem SolvingJavaPythonDays of CodeSqlRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experienceunlimitedfocus has not updated employment details yet.Educationunlimitedfocus has not updated education details yet.