Alexander Chudayikin@Isk_ReyFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceIsk_Rey has not updated employment details yet.EducationIsk_Rey has not updated education details yet.LinksIsk_Rey has not updated links details yet. SkillsIsk_Rey has not updated skills details yet.