Chun Cao@kalavinka223Software EngineerChinaFollow BadgesProblem SolvingJavaPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencekalavinka223 has not updated employment details yet.Educationkalavinka223 has not updated education details yet.