Piotr Jastrzębski@piotrjastrzebskiUnited KingdomFollow BadgesProblem SolvingCPPJavaPythonDays of CodeDays of JSDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencepiotrjastrzebski has not updated employment details yet.Educationpiotrjastrzebski has not updated education details yet.