Provides a cross-platform Corona SDK used to create Lua scriptable 2D OpenGL rendered apps/games on Android (mobile & TV), iOS, tvOS, Windows Phone, Windows, and Mac.Main responsibility was to add new features and public APIs to the SDK as well as maintain it on the following platforms:- Android- Windows Desktop- Windows PhoneNoteworthy "Android" features implemented:- Scheduled local notifications.- Push notifications.- Google in-app billing/purchase.- Game controller, keyboard, and mouse input.- Android TV, Amazon Fire TV, and Ouya support.- Google expansion files.- Embeddable Google maps.- Fullscreen video player.- Corona Enterprise for Android (JAR libraries and native sample projects.)- Ported JNLua library to Android, providing Lua support in Java.Noteworthy "Win32" features implemented:- Game controller support via DirectInput and XInput.- Multitouch support via a touchscreen.- Embeddable native Win32 TextBox and WebBrowser controls over OpenGL.- Steamworks support (achievements, leaderboards, etc.) for Steam games.- Async HTTP communications.Noteworthy "Windows Phone" features implemented:- VSIX (Visual Studio Extension) used to add Corona's libraries, C#/VB.NET project templates, and intellisense documentation into Visual Studio.- Angle library used to bridge Corona's OpenGL renderer with Direct3D.- Created an OpenAL library from scratch, bridging its standard C APIs to XAudio2.

Engineers sensors and software systems designed to monitor cleanroom environments. Specializes in airborne particle measurement in the hard disk, semiconductor, and pharmaceutical industries.Software Development Responsibilities:- Develop drivers to control/monitor sensors via COM ports and TCP. (Mostly via MODBUS protocol.)- Record live and historical sensor data to database in monitoring system software.- Display/export live/historical data in graphs, spreadsheets, statistical reports, and facility maps.- Develop tools for manufacturing and service to configure devices, update firmware, simulate/test device communications, and manage software licensing.Additional Responsibilities:- Adhere to ISO 9001 requirements, attend ISO audits, and maintained audit-able paper trails.- Wrote departmental procedures, requirements docs, project plans, test cases, and release materials.- Set up internal MS SharePoint websites to track projects.- Managed/trained QA and developer interns for 4 years.- Traveled internationally to provide onsite customer support and give/receive training.