Roman Illarionov@illrockFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceillrock has not updated employment details yet.Educationillrock has not updated education details yet.Linksillrock has not updated links details yet. Skillsillrock has not updated skills details yet.