David Yan@ydavidSenior Software Engineer at LinkedInFollow BadgesProblem SolvingDays of CodeDays of JSDays ofStatistics CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceydavid has not updated employment details yet.Educationydavid has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/yandavidPortfoliohttps://linkedin.com/in/yandavid Skillsydavid has not updated skills details yet.