Yuriy Markiv@hackerrank_com40UkraineFollowAboutCurrentFreelancerMore about mefreelance SQL Developer, learning java BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceSQL DeveloperFreelancerEducationhackerrank_com40 has not updated education details yet.