Roman Siromakha@elsidSwitzerlandFollow BadgesProblem SolvingCPP CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceelsid has not updated employment details yet.Educationelsid has not updated education details yet.