Piotr Grajeta@grajeta1PolandFollow BadgesProblem SolvingCPPJavaPythonDays of JSSql CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencegrajeta1 has not updated employment details yet.Educationgrajeta1 has not updated education details yet.