kangkang zhang@zhangkang65loss jobChinaFollow BadgesProblem SolvingCPPDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillCertificate: Go (Basic)VerifiedskillWork Experiencezhangkang65 has not updated employment details yet.Educationzhangkang65 has not updated education details yet.