Marek Prątnicki@mpratnicSoftware DeveloperPolandFollowAboutEducationTechnical University of Warsaw BadgesProblem SolvingCPPRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencempratnic has not updated employment details yet.EducationTechnical University of WarsawSoftware Engineering