i@chasezhang.me @ChenZhangFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork ExperienceChenZhang has not updated employment details yet.EducationSJTULinksChenZhang has not updated links details yet. SkillsChenZhang has not updated skills details yet.