Oleh Kardash@kardashSenior Big Data EngineerFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Java (Basic)VerifiedskillWork Experiencekardash has not updated employment details yet.EducationLviv Polytechnic National UniversityLinksLinkedinhttps://www.linkedin.com/in/kardash1605Portfoliohttps://www.linkedin.com/in/kardash1605 Skillskardash has not updated skills details yet.