Andrey Zaytsev@aazaykaXXXFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceaazayka has not updated employment details yet.Educationaazayka has not updated education details yet.Linksaazayka has not updated links details yet. Skillsaazayka has not updated skills details yet.