Roman Ponikarchuk@webstrFollow BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencewebstr has not updated employment details yet.EducationNational Taras Shevchenko University of KievLinkswebstr has not updated links details yet. Skillswebstr has not updated skills details yet.