Justin Chiang@zwangchunFollow BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencezwangchun has not updated employment details yet.EducationCentral South University, ChangshaLinksLinkedinhttps://www.linkedin.com/in/wangchunzhang Skillszwangchun has not updated skills details yet.