Jian Ma@rosegun38Software ArchitectFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencerosegun38 has not updated employment details yet.EducationShanghai Jiaotong University, ShanghaiLinksrosegun38 has not updated links details yet. Skillsrosegun38 has not updated skills details yet.