Kai Jin@jinkaikaiUnited StatesFollow BadgesProblem SolvingCPPPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencejinkaikai has not updated employment details yet.Educationjinkaikai has not updated education details yet.