Ivan Pechenko@reizennnFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencereizennn has not updated employment details yet.Educationreizennn has not updated education details yet.Linksreizennn has not updated links details yet. Skillsreizennn has not updated skills details yet.