Vanja Petkovic studied math and computer science at Belgrade University, Serbia. There, he also obtained his MSc in computer science. He has been working as a software engineer for more than 13 years. Currently, he lives in Switzerland and works for Leica Geosystems in the 3D scanning department. He has specialized in software development for mobile devices and backend services. He started with software development for Palm OS, through Windows Mobile OS and Blackberry OS to Android OS and iOS today. His preferred weapons for developing backend services are Java and Spring.