Vangelis Stykas is a highly skilled computer science professional with extensive expertise in various areas of tech. He has completed a Master of Science degree from the Technical University Sofia and a BSc in Computer Science from the Technological Educational Institution of Kavala (University of Applied Sciences). Vangelis is a proven expert in PHP, Linux system administration, all things shell scripting, AWS web services, big data handling, and networking. In addition, he has valuable experience in mobile app API development and security. He has worked as a Security Consultant at Pen Test Partners and has served as a System Administrator and Backend Engineer at various companies. Vangelis is result-driven, proactive, and dedicated to his work.