Oleksandr Matiash@vortex11Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencevortex11 has not updated employment details yet.Educationvortex11 has not updated education details yet.Linksvortex11 has not updated links details yet. Skillsvortex11 has not updated skills details yet.