Yijun Cao@CaoYijunFullstack Software EngineerFollow BadgesRuby CertificationsCaoYijun has not earned any certificates yet. Work ExperienceCaoYijun has not updated employment details yet.EducationNoneLinksLinkedindDNYl0QhcvZSbQaVoi73GxvLhtU4HebpqE5ZgtYNBdI=Githubhttps://github.com/c19Portfoliohttp://c19.github.io SkillsCaoYijun has not updated skills details yet.