Grzegorz Kloczyński@gk1982Follow BadgesProblem SolvingJavaDays of JSSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencegk1982 has not updated employment details yet.Educationgk1982 has not updated education details yet.LinksGithubhttps://github.com/gk1982Portfoliohttp://tablica.fun Skillsgk1982 has not updated skills details yet.