Konstantin Zabelin@zabelin_ksFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencezabelin_ks has not updated employment details yet.Educationzabelin_ks has not updated education details yet.LinksPortfoliohttp://www.zababako.com Skillszabelin_ks has not updated skills details yet.