Piotr Jabłoński@ptr_jabFollow BadgesCPPJavaPythonSql CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experienceptr_jab has not updated employment details yet.Educationptr_jab has not updated education details yet.Linksptr_jab has not updated links details yet. Skillsptr_jab has not updated skills details yet.