johan w@wijayajohan215DeveloperIndonesiaFollow BadgesProblem SolvingPythonDays of CodeSql CertificationsCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork Experiencewijayajohan215 has not updated employment details yet.Educationwijayajohan215 has not updated education details yet.