Jan Kościsz@koscis_jPolandFollowAboutEducationUniwersytet Jagielloński BadgesProblem SolvingCPPJavaPythonDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: Python (Advanced)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencekoscis_j has not updated employment details yet.EducationUniwersytet Jagielloński