Nikolay Fedurko@kolausfUkraineFollowAboutCurrentCompatibL BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencekolausf has not updated employment details yet.Educationkolausf has not updated education details yet.