Jacek Kościesza@jkoscieszaFollow BadgesProblem SolvingPythonDays of CodeRuby Certificationsjkosciesza has not earned any certificates yet. Work ExperienceKroll OntrackEducationSilesian Technical University of Gliwice, GliwiceLinksLinkedinhttps://www.linkedin.com/in/jacekkoscieszaGithubhttps://github.com/JacekKoscieszaPortfoliohttp://codeandpepper.com/ Skillsjkosciesza has not updated skills details yet.