Jan Kowalski@rambox90PolandFollow BadgesCPPJavaPythonSql CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencerambox90 has not updated employment details yet.Educationrambox90 has not updated education details yet.