/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: DionisisPetrakopoulos https://cdn.slidesharecdn.com/profile-photo-DionisisPetrakopoulos-48x48.jpg?cb=1697823522 Senior Software Engineer with experience using different programming languages (C, C++, Java, Scala) and technologies. Knowledge and working experience with both waterfall and agile methodologies. I have worked for projects in various fields including telecommunications, information security and analytics. Specialties: • Cryptography, Network Security, Smartcards, Information security policies, procedures and standards. • VoIP area knowledge(SIP, SDP, H.323 etc.) http://www.rhul.ac.uk/