Yuchao (Charles) Chen@Yuchao_137ChenFollow BadgesProblem SolvingCPPDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceEngineerAmerican Express• 2015EducationThe Johns Hopkins University, BaltimoreLinksLinkedinPDqZYKZccgIDB6tw/YbIxHNHTzv5JiOcIa348pAYIjc=Portfoliohttp://www.chachen.info/ SkillsYuchao_137Chen has not updated skills details yet.