Yongjoo Ji@msrbandFollow BadgesProblem SolvingDays of CodeRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencemsrband has not updated employment details yet.Educationmsrband has not updated education details yet.Linksmsrband has not updated links details yet. Skillsmsrband has not updated skills details yet.