Hashfi Alfian Ciyuda@HashfiUnited StatesFollowAboutEducationInstitut Teknologi Sepuluh Nopember, Surabaya BadgesProblem SolvingDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceHashfi has not updated employment details yet.EducationInstitut Teknologi Sepuluh Nopember, Surabaya