Arkady Babaev@holdenk1Follow BadgesProblem SolvingCPP CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceholdenk1 has not updated employment details yet.Educationholdenk1 has not updated education details yet.Linksholdenk1 has not updated links details yet. Skillsholdenk1 has not updated skills details yet.