Vitaly Lopatkin@vitaly_lopatkinKyrgyzstanFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencevitaly_lopatkin has not updated employment details yet.Educationvitaly_lopatkin has not updated education details yet.