jian liu@xiaoliu_0_0Software engineerChinaFollow BadgesProblem SolvingCPPJavaPythonDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: C# (Basic)VerifiedskillWork Experiencexiaoliu_0_0 has not updated employment details yet.Educationxiaoliu_0_0 has not updated education details yet.