Rhafael Freitas da Costa ([email protected]) graduated in Information Systems from the State University of Northern Paraná - UENP/CLM. Postgraduate, specialization level in Database from the University of Northern Paraná - UNOPAR. Postgraduate, Specialization level in Higher Education Teaching from the State College of Education, Sciences and Letters of Paranavaí. He currently works at LACTEC as a Java developer and also teaches OS and Computer Networks at Faculdade Integral.