calvin sugianto@calvinsugBackend & iOS EngineerFollow BadgesProblem SolvingCPPRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencecalvinsug has not updated employment details yet.EducationBinus University, JakartaLinksLinkedinhttps://id.linkedin.com/pub/calvin-sugianto/87/36b/a67 Skillscalvinsug has not updated skills details yet.