Yu Song@painforeverSoftware EngineerFollow BadgesProblem SolvingPythonDays of CodeSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencepainforever has not updated employment details yet.EducationBeijing University of TechnologyComputer Science, BE•  2007 - 2011LinksLinkedinhttps://www.linkedin.com/in/yu-song-b0879955/Githubhttps://github.com/painforever Skillspainforever has not updated skills details yet.