Extensive experience designing, implementing, and managing the development of software products and custom applications. Developed software for networking devices, supporting services for large scale web applications, multi-user virtual worlds, database applications, LAN/WAN communications, machine control, graphics, user interfaces, materials handling, real-time systems, and operating systems. Experience includes: • Languages, including Java, C++, Python, Perl, Ruby, Scala, Mason, C#, VB.NET, Visual C++ with MFC, Javascript, PHP, Visual FoxPro, SQL, and SGML, C, Borland C++, Pascal, PL/1, FORTRAN, BASIC, and assembler languages for numerous machines. • Wide variety of platforms (personal computers to mainframe, LAN, WAN, etc.), including Linux, Android, Windows, QNX, UNIX with X Windows and MOTIF, IBM MVS and VM, vxWorks, VRTX, and OS/9. Hands-on experience with Intel, Motorola, IBM 370, Data General, HP, DEC, and other hardware environments. • Tools, including Databases (Oracle, MS Sql Server, MySql, TM1, Informix, Foxpro, Access), Network Diagnostic Tools (Wireshark, HTTPWatch, tcpdump), Tax Rules Engines (Sabrix, Vertex), Installers (Wise, InstallShield, InstallerVise), Source Control (git, Mercurial, Perforce, MS SourceSafe, Clearcase, Source Integrity, CVS, Code Co-op), Test Scripting (HighTest) • ScrumMaster with over three years experience working on an agile development team. • Manager of first line development groups in several business areas. • Job estimation, scheduling, and project management.