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Xamarin Developer Resume

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Denver, ColoradO

PROFESSIONAL SUMMARY:

  • Experienced with a variety of Enterprise Software and Applications including Telecommunications billing, Energy & utility billing, mobile and smart devices, Government, aerospace manufacturing, Finance, Engineering, Fleet & Shop Management, Retail, Asset Management & Inventory, Education and Student Management, Insurance, Entertainment and Marketing.
  • Have strong programming development skills in Object Oriented Concepts.
  • Strong SQL development skills.
  • Web application and design
  • Experience creating applications specific for mobile utilizing Xamarin/Android/IOS and Google Android development. Have several published apps developed within IOS and Android platforms.
  • Experience migrating programming languages to newer technologies.
  • Experience with Team Foundation Server.
  • Experience with MVC, MVVM and MVP design patterns.

TECHNICAL SKILLS:

Enterprise Software: Oracle Application 10.7 and 11i

Application Development: N - Tier Applications, VB, VB.NET, C#, Java (Android), Crystal Reports, Xamarin(Android/IOS), Xamarin Forms, MvvmCross, IOC Patterns.

Mini/Mainframe: TSO, JCL, Micro Focus COBOL, COBOL, UNIX, CL, DB400, RPGII&III, RPG400

Database Architecture: SQL Server (2000/2005/2008 ), Oracle (9i, 10g, 11i), DB2, MYSQL, MS Access

Database Tools: Oracle Designer/Developer, OLE, ODBC, Workbench, Transact-SQL, Toad, Oracle Case tools, ASP

Internet and Intranet: ASP.NET, Android, .NET, Web API, JavaScript, JSON, JQuery, SOAP, XML

Design Patterns: MVC, MVP, MVVM

Phone Applications: Google Android, IOS

ETL: SSIS, Oracle ETL Tools

PROFESSIONAL EXPERIENCE:

Confidential, Denver, Colorado

Xamarin Developer

Responsibilities:

  • Develop mobile application on Android platform for a national rent-to-own chain.
  • The application has functionality for customer payments, customer onboarding, contract history and application approval.
  • Tools utilized are Xamarin for Android, MvvmCross, IOC patterns and web services.

Confidential, Kansas City, Missouri

Sr. IT Consultant/Architect

Responsibilities:

  • Develop mobile and web applications within the entertainment industry.
  • Modifies or upgrades applications to maintain software functionality utilizing .NET C#, VB.NET, web design patterns MVP, MVVM, Entity framework, LINQ, ASP.NET Web API, SQL Server.
  • Develop and maintain database objects based on documented design and analyzes information to determine architecture specifications, parameters for software compatibility, application security needs and other application architecture requirements.
  • Converting existing applications written within ASP.net and MVP to MVC 4 environment. Also, utilizing PHP Laravel for web applications and back-end services.
  • Designed and developed web interfaces and functionality for social entertainment community that allows users to interact with other users via a social media platform.
  • Also, developed the mobile application that compliments the entertainment website using Xamarin/Android and iOS.
  • Architected and developed on-demand apps for ride-share and food delivery.
  • Development tools utilized were C#, ADO.NET Entity framework, LINQ, ASP.NET Web API, SQL Server and Xamarin, PHP (Laravel), Objective-C, Android and Swift, Android Studio and Xcode. Currently utilizing Team Foundation server and Git to manage projects.

Confidential, Leavenworth, Kansas

Database Administrator SQL Server

Responsibilities:

  • Manage, develop and evolve ATMS databases utilizing structured query language and T-SQL.
  • Ensure ATMS is available and provides reliable support to users Army-wide.
  • Research database related issues from ATMS users, data center operators, help desk and/or trainers to identify, isolate and resolve ATMS faults.
  • Provide support to the Data Warehouse DBA. Continuously improve data operations; sustain/ develop ATMS support tools; and repair/customize ATMS database(s) functionality and performance issues to ensure continuous and seamless ATMS service to users IAW the government specified standard / test case and ATMS SOP.
  • Develop data queries. Provide support in developing and maintaining database objects.
  • Provide recommendations to the Government to improve ATMS data operations and support tools by analyzing ATMS performance, functionality, database technical designs, reports, documentation, and/or other materials.

Confidential, St. Louis, Missouri

Software Engineer IV

Responsibilities:

  • Develops and maintains applications within airline manufacturing environment based on documented design.
  • Modifies or upgrades applications to maintain software functionality utilizing .NET C#, VB.NET, Visual Basic 6, web design pattern MVP, ADO.NET Entity framework, LINQ, web services (SOAP), ORACLE and PL/SQL. Documents, validates and researches reported problems and assists in developing user training.
  • Develop and maintain database objects based on documented design and analyzes information to determine architecture specifications, parameters for software compatibility, application security needs and other application architecture requirements. Identifies and resolves programming or application architecture problems. Reviews system performance and identifies and recommends improvements.
  • Designed and developed user request access system that allows users to request access via a web interface to the manufacturing time standards application utilizing C#, ADO.NET Entity framework, LINQ, webservices (SOAP), ORACLE and PL/SQL.

Confidential, Kansas City, Missouri

Sr. Architect/IT Consultant

Responsibilities:

  • Architecting and development of media servicing application to be utilized by the entertainment industry for distribution.
  • Design and development tools utilized but not limited to: Visual Studio 2010/2012, VB.NET, ADO.net Entity Framework, .NET Framework 4.0, LINQ, SQL Server 2008, Stored Procedures, ASP.NET and ASP.NET Web API for REST Services, Team Foundation Server.
  • Architecting and development of mobile media distribution application to be utilized by the entertainment industry for Android and iOS platforms.
  • Design and development tools utilized but not limited to: Objective-C, Android, Android Studio, Xcode, Xamarin, Visual Studio 2010/2012, C#, NET Framework 4.0, LINQ, SQL Server 2008, ASP.NET and ASP.NET Web API for REST Services, Team Foundation Server.

Confidential, Kansas City, Missouri

IT Consultant

Responsibilities:

  • Design and develop web applications for utilizing VB.NET, ASP.NET, ADO.NET, SQL Server 2008, SSIS and SSRS, CSS, HTML within a Visual Studio 2008/2010 environment. Maintain and supported COTS inventory control application for packaging and distribution utilizing VB.NET, ASP.NET, ADO.NET and SQL Server 2008. Developed Time Management application utilizing PHP and MySQL.

Confidential, Wichita, Kansas

Sr. IT Consultant

Responsibilities:

  • Provides assistance to design, program and execute test plans. Implements, documents and maintains routine computing applications and software. Assists in gathering and evaluating end user requirements. Writes and compiles routine code and constructs routine database objects based on documented design. Modifies and upgrades applications to maintain software functionality. Documents, validates and researches reported problems and assists in developing user training.
  • Upgrade applications to meet standards required by the move to new computing centers. Taking existing code with databases and analyzing required changes and making upgrades to conform to new standards.
  • Make coding changes required to meet security requirements.
  • Project utilizes ASP.Net using VB.NET, C#, Classic ASP, Oracle 10.2.05/ 11.2.03, SQL Server 2005/2008 and Access 2003/2007. Utilized Visual Source Safe for project tracking.

Confidential, Akron, OH

Sr. IT Consultant

Responsibilities:

  • Performed conversions of existing in-house system to enterprise Micro Focus COBOL applications that will reside on HP UNIX platform. Also, converted existing applications utilizing VB.NET and ASP.NET front-end User Interface within Visual Studio 2008. Also, utilized Oracle 9i & PL/SQL for backend processing and SQL Server for .NET applications. Also, converted mainframe job streams to shell scripts within the HP UNIX environment.
  • Project utilizes COBOL, ASP.Net using VB.net 2008, Unix, Oracle SQL Server 2005/2008

Confidential, Miami, FL

Sr. IT Consultant

Responsibilities:

  • Developed, updated and enhanced vehicle maintenance applications: Shop Management Online (SMO), Legacy Shop Management Systems (SMS). Developed interactive and batch applications using JWalk( subset of Visual Basic), and AS400 (CL, RPG, COBOL and SQL) programming. Developed web services and other supporting applications utilizing VB.NET, C#, ASP.NET, ADO.NET, SQL Server 2005, SSIS within Visual Studio 2005.
  • Conduct structured design sessions and/or walk-through design sessions with customer/Ryder IT teams. Convert requirements into design specifications. Provide production support for Maintenance applications. Develop ad-hoc processes to create data extracts utilizing SQL SSIS and DB2 for customers/Ryder IT teams.
  • Designed, developed and implemented special pilot project for Ryder and Ryder. The project utilized webservices (VB.NET, ASP.NET, ADO.NET & C#), SQL Server 2005, AS400 DB2 & JWalk (subset of Visual Basic). This project allows Ryder to order supplies for each of their locations based upon their daily usage and historical usage history.

Confidential, Kansas City, MO

IT Consultant

Responsibilities:

  • Duties included upgrading utility billing system with the new rates for some of KCP&L's largest customers that do not reside within their main billing process.
  • Designed, developed and implemented a prorate process to handle existing billing rates and new rates that will be implemented each year for the next 5 years.
  • The utility billing system handles specific customers with special rates & business rules because of their size and detail presented within their bill.
  • The system is written in Visual Basic 6 & Excel. Also, worked on a solutions to upgrade their current system utilizing VB.NET, ADO.NET, ASP.NET and SQL Server within Visual Studio 2005.

Confidential, Kansas City, KS

Sr. IT Consultant

Responsibilities:

  • Developed a cross - platform information management package for health care facility utilizing VB.Net, AS400, SQL Server (stored procedures) and DB2. The system utilizes VB.Net as an interface to extract information from the AS400 s DB2 databases and formats information based upon HIPAA standards into file formats that s based upon the state s requirements.
  • Developed an employee conversion system that converted the Kansas City IRS Division badge systems from a DBASE application to a VB6 application utilizing Access databases. The conversion applications were developed utilizing Visual Basic 6 and Access. The conversion application converted data, signature tiff images, and employee photos.
  • Also, duties included designing web sites for customers utilizing Macromedia Suite (Dreamweaver, Flash, and Fireworks) and script development (JavaScript, PHP, ActionScript). Also, the databases being used are mySQL and MS SQL Server. The OS software used within this environment Windows 2000 Server, and Redhat Linux. Designed, implemented and installed initial network for the company.
  • Designed and developed a web collaboration package in Flash Communication Server and Actionscript that was considered by the Department of Defense.
  • Web Development responsibilities:
  • Create, develop and modify interactive Web pages as needed
  • Design functional user interfaces & administrative reports
  • Oversee that site programming is consistent with the mission of the website.
  • Responsible for functional integrity as well as ensuring continuity.
  • Keep abreast of current trends in the web technology space.

Confidential, Overland Park, KS

Information Analyst

Responsibilities:

  • Duties included designing, developing, and implementing telecommunications billing systems under the Confidential /WorldCom account. These duties included are being a part of the Release Delivery Team that implements four system enhancement releases a year. The environment includes multiple remote AS400s with applications written in COBOL/400, ILE COBOL, CL, and DB/400. Major Accomplishment: Worked on development of Customer Level Minimums (CLM) an enhancement of the IXPlus Billing/Rating application for Confidential /WorldCom within an ILE COBOL environment and that team was recognized for its excellence in that release process. Redesigned and Project Leader on the redesign of the Promotional process for the entire telecommunications billing system. Designed and implemented applications using the SDLC (Software Development Life-Cycle) processes.
  • Served as key technical member on the Development team on projects related to the development of the billing portions of the telecommunications billing system. Also served on projects supporting the accounts receivable and customer service software applications.
  • Recognized team member for Development of Customer Level Minimums
  • Selected in 1999-2000 as SME of the Customer Level Minimums application
  • Selected as a mentor in 1999.

Confidential, Kansas City, MO

President/Project Manager/Site Manager

Responsibilities:

  • Duties included designing systems on multiple platforms under contract with IBM Corp. These duties included designing implementation plans, designing systems, leading the team, and senior coding specialist. This system was used as a Configuration Management System for the Confidential to keep track of computer systems and accessories for State and county government agencies. Designed, coded, and implemented an installation delivery system for delivery of completed projects, written in RPG, COBOL and CL. Designed and implemented applications using the SDLC (Software Development Life-Cycle) processes.
  • There were several platforms used for housing this information: Advanced 36, AS400, mainframe, and server. Also, project manager for the company to assess the needs of the client for technical expertise.
  • Chosen as Site Manager for the Company
  • Designed Rollover Year-End process for the Asset Management Configuration System

Confidential, Kansas City, MO

Team Leader/Sr. Programmer Analyst

Responsibilities:

  • Duties included designing systems on multiple platforms under contract with IBM Corp. These duties included designing implementation plans, designing systems, leading the team, and senior coding specialist. This system was used as a Configuration Management System for the Confidential to keep track of computer systems and accessories for State and county government agencies. Designed, coded, and implemented an installation delivery system for delivery of completed projects, written in COBOL, RPG and CL.
  • Designed and implemented applications using the SDLC (Software
  • Development Life-Cycle) processes.
  • Chosen as Team Leader

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