Игорь Марченко@strelok1918Middle Java DeveloperUkraineFollowAboutEducationSumy State University, Sumy BadgesProblem SolvingCPPJavaPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillWork Experiencestrelok1918 has not updated employment details yet.EducationSumy State University, Sumy