Responsibilities * Develop high-quality, high-performance mobile-optimized client and tools features. * Develop cross-platform code base in Objective C and C++ that can be used to deliver games on iOS and Android devices. * Port features from browser-based Flash/ActionScript 3.0 client to mobile-optimized Objective C and C++. * Utilize OpenGL ES for hardware-accelerated rendering. * Use performance and instrumentation tools to ensure high-performance and memory efficient code. * Evaluate, choose, and justify usage of APIs and frameworks where appropriate with the requirements of performance, working set size, etc. * Document and communicate designs through internal wiki pages. Requirements * 2+ years of Objective C, C++ and object-oriented design and development. * 2+ years of experience developing applications on iOS and/or Android. * 1+ year of OpenGL ES development experience. * Strong skills in performance and memory-optimization for mobile. * Familiarity with data-driven layout and markup languages such as HTML5, CSS3, XAML, XUL, etc. * Experience with source control tools such as Subversion (SVN). * Knowledge of scripting languages and engines such as Lua and JavaScript. Apply Now