David Zhai@DavidZhaiSoftware Engineer, Big Data at ZillowUnited StatesFollowAboutEducationUniversity of Washington, Washington BadgesProblem SolvingCPPJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceDavidZhai has not updated employment details yet.EducationUniversity of Washington, Washington