Sergiy Keberle@kiberpressUnited StatesFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencekiberpress has not updated employment details yet.Educationkiberpress has not updated education details yet.