Sunny Cheung@stcheungSoftware Engineer at SquareUnited StatesFollowAboutEducationUniversity of California, Berkeley BadgesProblem SolvingPythonRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencestcheung has not updated employment details yet.EducationUniversity of California, Berkeley