Xinyu @X140YuFollow BadgesProblem SolvingDays of CodeRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork ExperienceX140Yu has not updated employment details yet.EducationX140Yu has not updated education details yet.LinksGithubhttps://github.com/X140YuPortfoliohttp://zhaoxinyu.me SkillsX140Yu has not updated skills details yet.