Valera Cogut is an independent professional software and video game developer who has worked in the game industry since 2008 and has more than 12 years of programming experience. He is a passionate software and game developer with different areas of expertise. Before diving into the game industry 6 years ago, Valera created websites and applications with PHP, the Yii framework, the Zend framework, Relational Database Management Systems, Apache and Nginx, C#, C++, C, Objective-C, Java, Python, UML, and many other technologies. Having a mathematical background (analytical geometry, linear algebra, logic, statistics and probability, differential equations, graph theory, and mathematical analysis), he finally realized that game development was his mission. Reusable designs, optimized algorithms, clean code, and elaborated workflows-these things make him happy. Valera has had the opportunity to produce titles for multiple platforms, including Windows Phone, Android, iOS, PC, and Mac. Today, he continues to produce fun and original games, participate in game jams, and author books. He was a technical reviewer for Unity Android Game Development by Example Beginner's Guide, Packt Publishing. Currently, Valera has a contract as a Unity3D C# developer for Kaufcom GmbH, a well-known games and apps producer from Switzerland http://www.kauf.com (Android games: https://play.google.com/store/search?q=kaufcom).