Sergey Douzhiy@sergeydu3Follow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencesergeydu3 has not updated employment details yet.Educationsergeydu3 has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/sergey-duzhiy-2969414/ Skillssergeydu3 has not updated skills details yet.