SUMMARY:

• Over 12 year experience in .NET development with both web, mobile and thin client application including design, coding, and implementation; Full stack development experience in front - end and backend/service code in Agile and traditional development environment.
• Over 15 years of IT experience with strong focus on Microsoft Technologies.
• Full software development lifecycle experience on enterprise-class, scalable applications
• Extensive development experience in SOA, WCF/Web Service, NET Remote, object oriented design, agile development, MVC, MVVM, database programming.
• Real world experience in Microsoft .NET Framework 3 and Framework 4/4.5, C#, VB .NET, VB Scripting, Entity Framework, WPF, HTML, ASP. Net, XML, Ajax.NET, JavaScript, JQuery, Silverlight, SSIS, SSRS, PL/SQL with Oracle, T-SQL with SQL Server 2008/2012, SharePoint, LINQ, thread programming, ASP NET Web API, ASP NET REST Service, Window Services, Window Task, ASP NET SharePoint development, Microsoft Azure
• Intensive experience in large enterprise project SDLC development with Fortune 100 companies.
• Heavy experience on data driven and customer facing web application development with ASP NET WebForm/MVC and SharePoint, client side JavaScript, Bootstrap, JQuery, AngularJS
• 10+ year experience in application architecture and integration, Object Oriented Development, Design Patterns, Data Modeling
• 10+ year experience in Web services development, Unit/Integration Testing and Deployment, User Interface Design
• Proven ability to understand customer's needs and client communication, technical and business requirements analysis
• Experience in IT project management, Project team lead, and Technical/Production Support.
• Recent experience in Responsive Design, mobile app development with client and server technologies

TECHNICAL SKILLS:

Languages: C#. Net, VB.NET, ASP.NET, SQL, HTML5, XML, ASP, JavaScript, JQuery, PL/SQL, T- SQL, C, C++, VB, MVC, MVVM, LINQ, WCF, Web API, REST Service, UML, CSS 3, Bootstrap, Angular JS

Software: Visual Studio 2008/2010 and VS2012/2013, MS Office, Flash, Adobe Photo ShopSharePoint, MS Source Safe, IIS, Crystal Report, SQL Server 2008/2012/2014 , SSRS/SSIS, MS Commerce Server 2007/2012, IBM DataStage, MS Team Foundation Service, Telerik controls, DevExpress Controls, Silverlight 4, WPF,MVC 4/5, SVN, Java

Database: Access, Oracle9i/11g, SQL Server 2008/2012/2014

Operating Systems: Window Server 2008/2012,Window CE, UNIX, Linux, Window 7, Window 8, Android

Applications: Financial Investment, Banking, Equity System, Real Estate Case Management SystemTrading Application, Accounting System, Logistics System, eLearning, eCommerceCooperate Tax Service System, Mobile Communication System, Medical Clinical Information Systems, POS(Point of Sales) System, Warranty Payment SystemMS Great Plain Inventory and Operation Systems

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

Senior Developer Consultant

Responsibilities:

• Developed an On-Line Employee Effort Certification System with ASP NET, C#, Web Services, SQL Server database, SharePoint 2013 Web Part, refactoring the data access logic, and performance enhancement.
• Created Web part for SharePoint website user profile update application with ASP NET, C#, SharePoint Client Object Model, HTML 5, JQuery, Angular JS, Javascript

Environment: NET 4/4.5, Web services, C#/ASP.NET, T-SQL, XML, SQL Server 2014, Visual Studio 2013, SharePoint 2013, Window Server 2012, HTML 5, Javascript, JQuery, Angular JS, SAAS

Confidential, Chicago, IL

Full Stack Senior Application Developer/IT Development & Support

Responsibilities:

• 40% - New development, code/implement Vehicle Warranty Policy Management System, refactoring to 3 tire with WCF, REST Service, .NET remote, ASP.NET, MVC 5, C#, SQL Server 2010, Framework, HTML, CSS, JQuery., Angular JS, JQuery
• Created new reports with SSRS and data migration with SSIS.
• 30% - Enhancement, add function/ refactoring for Warranty Systems components, that included Contract Processing System, Letter Service Systems, with NET technologies, SQL database, NET remote, Azure Cloud Service
• 30% - Test and Support for several account vehicle protection management system.

Environment: NET 4/4.5, Web services, C#/ASP.NET, MVC 5, WCF, NET Remote, REST Service, IIS, T-SQL, HTML, Javascript, Angular JS, JQuery XML, SQL Server 2008/2012, TFS 2010, Visual Studio 2010/2012, SQL Server Reporting Server, SSIS, Azure Cloud Service

Confidential, Lincolnshire, IL

Architecture Developer Consultant

Responsibilities:

• Worked in architecture team to develop MVC 4 version of eCommerce site Confidential using C#, .NET 4.0, ASP.NET MVC 4(Razor), Visual Studio 2012, Commerce Server 2007, assignment include architecture design(10%), C# coding(70%), Testing(20%).
• Developed MVC View for Check out module of Confidential with ASP MVC 4(Razor), design over 10 views with html5, CSS, JavaScript, Ajax, JQuery, Bootstrap Framework.
• Wrote controller and model layer for check out module of Confidential, include over 10 model class with ASP NET Web API, REST Service, WCF.
• Coded entity layer class related to check out module of Confidential with C# 4, ASP NET API.
• Developed service layer (BL) and data access (DAL) layer for check out module of Confidential with C#, LINQ, web service, ADO .NET, Commerce Server 2000.

Environment: NET 3/4, Web services, ASP.NET WebForm, MVC 4(Razor), JQuery, CSS, IIS, T-SQL, C#, XML, HTML5, SQL Server 2008/2012, Ajax, LINQ, SVN, Visual Studio 2005/2012, MS Commerce Server 2007, ASP NET API, Bootstrap Framework

Confidential, Northbrook, IL

Full Stack Senior .NET Developer

Responsibilities:

• Worked on large cooperate enterprise tax service system with the latest tools and technologies using C#, .NET 4.0/3.5, .NET/C#, WCF, Visual Studio 2010, Windows Server 2008, Team Foundation Server 2010, Sr. developer role on Design(10%), Coding(50%), Test & Implementation(40%)
• Refactoring data server layer for co-operate tax service system with NET 4.0/ C# and SQL Server 2008, multi-threading.
• Wrote unit test program for WCF service and data access layer methods with C#, TFS, Scrum work process.
• Developed web version of cooperate tax service system with ASP.NET MVC 4, JQuery, CSS, WCF, Visual Studio 2010, Windows Server 2008, Team Foundation Server 2010. Task include code, implementation, testing, entity layer (10%), data access layer (10%), business layer (15%), Model (15%), controller (20%), view (30%).

Environment: NET 3.5/4, WCF, ASP.MVC 4, SOA, JQuery, CSS, IIS, T-SQL, C#, XML, HTML, SQL Server 2008/2012, Telerik Controls, Multi-threading, LINQ, Team Foundation Server 2010, TDD, Nunit, Visual Studio 2010/2012

Confidential, Rosemont, IL

Senior .NET Consultant / IT Development

Responsibilities:

• Developed a WPF Signature card scan system, wrote scan application with C#.NET, MVVM, WPF, Microsoft Office Document Imaging (MODI), SQL Server 2005, multi-threading.
• Developed OCR window service and Window task models, role include Architecture (15%), Design (15%), Coding (50%), Test & Implementation (20%).
• Developed a web based request tracking system with Silverlight 4.0, WCF, C#.NET, SQL Server 2005.
• Full Life Cycle Development on WebForm employee reimbursement system for Accounting Payable system with ADO.NET Entity Framework, C#.NET,WCF, Work Flow Foundation, Silverlight 4.0,MVVM, SQL Server leading roles on Architecture(15%), Design(15%), Coding(50%), Test & Implementation(20%).

Environment: NET 3/4, WCF, SOA, Ajax.NET, C#, XML, HTML, JQuery, SQL Server 2008/2012, Telerik Controls, Entity Framework, LINQ, Silverlight 4.0, WPF, Active Directory, Window Service, Window Task, MVVM, Team Foundation Server 3, IIS, T-SQL, Work Flow Foundation, WinForm, WebForm, Thin Client, multi-threading.

Confidential, Bolingbrook, IL

Lead .NET Consultant

Responsibilities:

• Leader developer for a web based report tools with C#.NET 3.5, WCF, SOA, SQL Server 2005.
• Updated WCF service to work with database and download report for ETM components.
• Developed a Load Management Service WCF service with C#.NET.40, WCF, SOA, SQL Server 2005, window service, threading.
• The WCF service work with database and third party business engine to process logistic truck load dispatch, warehouse operation and carrier tracing.
• Customized, rewrite new version for a USPS Mail.dat Compliance system with C#.NET, threading, Oracle 11g, thin client/Winform, LINQ.
• Wrote stored procedures to process mail data file data.
• Used LINQ to process list collection and database data, roles include Architecture, Design, Coding, and Test & Implementation.
• Led a team of 4 people on WebForm Post Management Systems SDLC, that included system architecture, design, coding with MVC 3, WCF, ASP.NET, SQL Server 2005, worked on UI(30%), Service Layer(40%), Data Layer(Database 30%).

Environment: NET 2/3/4, WCF, SOA, Ajax.NET, Agile, C#, XML, HTML, SQL Server 2005/2008, Oracle 11g, SharePoint 2010, Telerik Controls, MVC, Tortoise SVN, LINQ, Silverlight, Active Directory, JQuery, UML, WinForm, WebForm, T-SQL, IIS

Confidential, Chicago, IL

Lead Architecture Consultant

Responsibilities:

• Lead architecture & developer for NT REIFS (Real Estate funding accounting System) with C#. NET 3.5, WPF, web services, SQL Server 2005, MVVM.
• Worked with business end user, software vendor, project /technical leader, and decision maker to architected, design 3 interface for REIFS MRI (Intuit Real Estate Accounting System).
• Leader developer for MRI custom reports with SQL Server report server 2005, Microsoft Business Intelligent Service (BIDS).
• Data migration, led a 3 people team to develop 3 ETL interfaces for REIFS’s Multi-fund and foreign exchange system with IBM DataStage, SSIS.

Environment: NET 3.5, WPF/MVVM, Ajax. NET, Agile, C#, XML, HTML, SQL Server 2005, SSIS, SQL Server, Report Server, IBM DataStage, MRI, SharePoint, Telerik Controls, IIS, T-SQL

Confidential, IL

Developer

Responsibilities:

• ELearning Management System (LMS) development and support, roles include Architecture & Design (20%), Code (40%), Test & Implementation (20%), and Production Support (20%).
• Developed WinForm and Web-based report systems for LMS (e Learning Management System) with ASP.NET.1.0/2.0, C#/. NET, Web services, SQL Server, Report Server, MS Access, MS Excel, SQL Server, Oracle 9i, PL/SQL, Crystal Reports 11.
• Led several web application development projects for PPD training division with SharePoint ASP.Net, HTML, XML, ASP.NET MVC and other web technologies.
• System maintains and technical support for PPD eLearning System

Environment: ASP.NET 1.0/2.0, .NET remote, ADO.NET, C#, PL/SQL, JavaScript, CSS, Crystal Report, SharePoint, Ajax. NET, MS Commerce Server 2007, SQL SSRS, MS Access, Oracle 9i, WinForm, WebForm

Confidential, Arlington Height, IL

Software Engineer

Responsibilities:

• Involved in full cycle system development for mobile network performance test Tools.
• Developed and supported a web-based Problem track system using HTML, DHTML, JavaScript as GUI, Perl, CGI as mid-tire, and Web server Oracle, PL SQL as back-end.
• Developed 3 functional components for mobile network Controller layers with OOD, MS Visual C++, Win API, WinForm.
• System support in window and Unix/Linux environment, supported tools include web-based application.

Environment: C, C++, m gcc/g++, PL/SQL, Clear Case, Dreamweaver, Flash, CVS source control, MS Visual, MFC, Java, JavaScript, HTML, DHTML OOP, OOD, Perl5/CGI, Linux (Red Hat 7.0-2.4.4), Unix, Oracle.

Confidential, Long Grove, IL

Application Developer Consultant

Responsibilities:

• Provided system development consulting for Commercial Auto Policy System on IS department.
• Coded, tested and implemented 9 sub-systems with Presentation/Business Logical Dynamic Link Library (DLLs) for Commercial Auto Policy System with C/C++ in 3 tired Client/Server environment (Oracle as back-end database).
• Developed and implemented over 40 WinForm GUI screen for Policy Systems.

Environment: C, C++, PowerBuilder, VB, DB2, Lotus Notes, Window/Unix, WinForm