TECHNICAL SKILLS:

• C# - 10+ years
• WPF - 10 years
• Xamarin Forms - 3+ years
• Xamarin Native iOS/Android - 5+ years
• SQLite - 8 years
• MVVM (Prism, MVVM Light, MVVM Cross and others) - 8 years
• XAML - 10 years
• Azure - 3 years
• MS SQL - 10 years
• ASP.NET Web API (REST) - 5 years
• WCF - 9 years
• LINQ - 9 years
• OAuth - 5 years
• Git - 4 years
• VSTS
• JSON - 5 years
• XML - 10+ years
• OOP/OOD - 10+ years
• Xamarin Test Cloud - 2+ years
• Syncfusion - 2+ years
• Microsoft Dynamics integration using eConnect - 5+ years
• Bank Merchant integration with including VisaNet, PayPal, LinkPoint and 20+ others.
• Device/Platform services in desktop and mobile apps using GPS, barcode scanning, Calendar, Maps, Bluetooth, Camera, RFID and SMS.
• Test Driven Development using NUnit, xUnit, MSTest and Xamarin.UITest.
• Android Java - 2+ years
• ASP.NET WebForms - 5 years
• ASP.NET MVC – 3 years
• Oracle DB – 5 years
• MySQL – 6 years
• JavaScript – 5 years jQuery – 3 years
• CSS – 5 years
• HTML – 10+ years
• Silverlight – 2+ years
• Codebase, Disam, Btrieve and MS Access – 10+ years
• MongoDB – 2+ years
• Telerik & ComponentOne – 4+ years
• C/C++ - 10+ years
• COBOL – 5+ years
• ASP – 2+ years

EXPERIENCE:

C# Cross Platform Developer

Confidential

Responsibilities:

• Mobile App for scanning barcodes on kegs using C#, .NETCF and ASP.NET web services.
• Desktop and Mobile App for scanning filled kegs with Cognex mounted scanner and/or mobile device to be shipped using C#, .NETCF, WPF, SQLite and ASP.NET Web API.
• Xamarin Mobile App for monitoring processes using C#, Xamarin Forms, MVVM and ASP.NET Web API.
• Interface to Microsoft Dynamics GP to integrate their custom order management system using C# and eConnect.
• Development/Maintenance/Support interfacing the SNB Logistics division with carriers using C#, ASP.NET Web API.

Lead WPF & Xamarin Developer

Confidential

Responsibilities:

• Lead, mentor and developer with a team of 5 to port their 4GL work-order app connected to Oracle Enterprise Services on the back-end using C#, WPF, Xamarin Forms, Custom Renders to Xamarin iOS/Android, SQLite for Windows and Xamarin, barcode scanning, MVVM, REST web services, JSON, Bluetooth and RFID.
• Xamarin Forms and WPF time sheet app connected to Oracle Enterprise Services on the back-end using C#, WPF, Xamarin Forms, Custom Renders to Xamarin iOS/Android, MVVM and REST web services.

Senior Software Engineer

Confidential

Responsibilities:

• Development/Maintenance of their Linux Call Accounting System in C/C++ and developed an installer for their Linux software.
• Ported their Linux Call Accounting System ( Confidential ) to Windows using C#/WPF.
• Confidential stored information locally using SQL Compact, communicated real-time with Confidential systems for tracking calls using RS232, USB, web services and direct TCP/IP.
• Ported their Linux/WPF Confidential app to Silverlight.

Senior Software Engineer

Confidential, Midwest City, OK

Responsibilities:

• Development/Maintenance for their plane engine trending software in C/C++/C#/WPF /ASP/JavaScript/VB/XML
• Mentored others new to IT in Installing Windows, Installing Oracle, Visual Studio Debugging, ASP, C/C++, C#, WPF, XML, JavaScript, VB, and more.

Senior Software Engineer

Confidential

Responsibilities:

• Developed a Bank Merchant service interface for their web sites using C#/ASP.NET
• Developed custom form processing routines for their web sites using C#/ASP.NET/JavaScript

Senior Software Engineer

Confidential

Responsibilities:

• Tri-Plex Electric, billing for service company using C++/MFC
• Confidential & Confidential Lights, Point-Of-Sale for lighting store using C++/MFC
• Dan’s Big & Tall, Point-Of-Sale for clothing store with inventory matrix using C#/WinForms
• Express Trucking Service, billing/dispatching system for a trucking company and a cell phone interface for dispatching and driver information using C++/C#/NETCF/WinForms
• Stillwater Schools, basketball stats mobile app using C++/C#/NETCF eSolutions, a web auction system to pull and save information in billing/commissioning system using C#/ASP.NET
• City of Bixby, permitting/inspection software package with customer web portal using C#/WinForms/ASP.NET
• Cowboy Hosting, Web Based services to design web sites online using C#/ASP.NET
• Maintained PC Networks running Windows 98, NT4, 2000, XP, 2003, Linux, and Netware 4/5

Senior Software Architect/Engineer

Confidential, Rosemont, CA

Responsibilities:

• Architect for their Large Disk Arrays billing solution to automatically collected usage cross multiple platforms (Windows, HP/UX, SCO, AIX and Linux) and send the information back to their in-house billing system.
• On a team of 5 for developing the billing solution.

Senior Systems Engineer

Confidential, Tulsa, OK

Responsibilities:

• Developed automated report process to run crystal reports.
• Developed a wrapper for the COBOL Vertex tax engine to their in-house billing solution.
• Developed interfaces from the billing system to CODE-1 Address Verification system.
• Developed interfaces from the billing system to DPC zip database.
• Developed a State Sales Tax Rules Matrix for tax calculation depending on the state and type of telecommunication.

Systems Analyst, Systems Architect and Project Manager

Confidential, Owasso, OK

Responsibilities:

• Maintenance/development to the basic mlm software.
• Developed payment processing interfaces to FDC, MAPP, VISANET, ECHO, DPI, Telecheck, and ICVerify.
• Developed interface from the mlm software to communicate with banks via NACHA.
• Developed interfaces from the mlm software to UPS, Airborne, DPC, and Vertex.
• Developed a custom double entry accounting system for the mlm software.
• Architect/Project Manager for a Dialogic IVR system that interfaced with their mlm software.
• Architect/Project Manager to re-write the commission processing system to increase the speed by over 325%.
• Architect/Developer/Project Manager for a web sign-up and ordering system for the mlm software.