Chris Kisiela@krzysiek_kisielaPolandFollow BadgesProblem SolvingCPPJavaPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencekrzysiek_kisiela has not updated employment details yet.Educationkrzysiek_kisiela has not updated education details yet.