조효원 @jhw0604Republic of KoreaFollow BadgesPythonSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencejhw0604 has not updated employment details yet.Educationjhw0604 has not updated education details yet.