Mao Geng@gengmaoFollow BadgesProblem SolvingJavaPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencegengmao has not updated employment details yet.Educationgengmao has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/gengmaoGithubhttps://github.com/gengmaoPortfoliohttps://www.linkedin.com/in/gengmao Skillsgengmao has not updated skills details yet.