roi roi@sa_roiFollow BadgesProblem SolvingJavaPythonDays of CodeRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencesa_roi has not updated employment details yet.Educationsa_roi has not updated education details yet.Linkssa_roi has not updated links details yet. Skillssa_roi has not updated skills details yet.