Guillermo Barrera@1r0nD3vMobile engineer at IBMMexicoFollowAboutCurrentIBMEducationCINVESTAV del IPN BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceMobile Software Developer (Android & iOS)IBM• 2015EducationCINVESTAV del IPNComputer Science, MS• 2012 - 2014