Designed, developed and maintained front-end and back-end code using C#, Java, and JavaScript code in an Agile/Scrum environment for DoD contracts and internal research projects. My responsibilities on these projects included providing user authentication to support network application security, graphical display of GMTI tracks, and a GUI for searching and retrieving data stored in a database.• Primary developer responsible for implementing new GUI front-end using ExtJS JavaScript library and back-end servlet using Java, JDBC, and SQL• Primary developer for new features implemented for Java Swing GUI supporting forensic and real-time analysis of radar and other sensor detections• Refactored Java GUI into a new implementation using the ExtJS JavaScript library to provide a web-based implementation for integration into Ozone Widget Framework (OWF) environment• Deployed servlets to Apache HTTP Server on RedHat Linux system• Designed and implemented a Java web service to support migration from Role Based Access Control (RBAC) to Attribute Based Access Control (ABAC)• Refactored user account creation code to port from JNDI to Spring LDAP implementation to facilitate easier code maintenance • Developed and maintained and new features for PKI authentication code written in Java• Implemented unit testing for Java applications using EasyMock and JavaScript applications using Jasmine• Debugged and fixed errors in back-end C# server code• Performed code reviews• Used Subversion, Git, and ClearCase for source control

Designed, developed and maintained code for casino-style video games in an Agile/Scrum environment using C++ and C#.• Refactored graphics engine to separate interfaces from implementation• Worked on graphical editor for game development• Worked on development of new game engine to support more efficient game development• Implemented unit testing using MSTest and Moq• Implemented code coverage analysis using NCover• Assisted with training and development of other team members• Assisted other teams with troubleshooting issues related to the game engine• Performed code reviews• Used Perforce for source control

Designed, developed and maintained code using Java and C++ for various projects supporting Department of Defense (DoD) operations for SPAWAR systems.• Primary developer of the Java Swing GUI for a network management application• Mapped data flows for the redesign of a GUI to support MVC architecture for System Programming Applications for Distributed Environments (SPADES), a platform which provided common functionality across multiple programs• Selected to be a member of the Joint Threat Warning System (JTWS) Architecture Group (JAG) to assist in design and development of the core architecture for SPADES • Developed web portlets using HTML, JavaScript, and JSP and deployed them on a JBoss Application Server• Debugged scripts written in PowerShell and VBScript • Conducted product demonstrations for government personnel• Coordinated efforts between software development and integration teams• Performed application profiling to reduce memory usage by over 80%• Performed code reviews• Used CVS, Subversion, and Dimensions for source control

Designed and developed code to support system level security via smart card authentication.• Developed and maintained code using C, C++, and C#• Developed over 30% of the major new features for releases of three different encryption products• Developed code for interaction with smart cards (CAC, RSA)• Debugged issues using smarts cards for single sign-on (SSO) on Windows systems• Performed smart card certificate administration with a Certificate Authority (CA) server• Studied Public-Key Infrastructure (PKI) to assist in understanding smart card operations• Designed and implemented C++ and C# API’s using Microsoft's Component Object Model (COM)• Developed code for Windows XP applications using MS Visual Studio• Developed code for Redhat Linux applications using Eclipse and Gtkmm • Edited Make files to fix build dependency issues• Responsible for integrating and building code from multiple sites• Used Visual Source Safe for source control