Andrey Zak@anzakFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceanzak has not updated employment details yet.Educationanzak has not updated education details yet.Linksanzak has not updated links details yet. Skillsanzak has not updated skills details yet.