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Developer Service

Gaithersburg, MD
$120/y on W2 + benefits
October 30, 2019

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Professional Summary

Software development with 15 years of IT experience in software analysis, design, development, implementation, integration and testing of Web-Based and windows based, Client/Server, Internet / Intranet Applications.

Extensive experience in developing various applications using MS.NET Technologies like C#, ASP.NET, ADO.NET, Classic ASP, JQuery, XML, XPath, GridView, ReportViewer, Web Services, WCF, Windows Forms, Window Services, Visual Studio 2008, 2010,2012, IIS7, ADSI /Active Directory.

Excellent logical and programming skills using OOP.

Hands-on experience in complete development, implementation and maintenance phases of SDLC, Agile development, Software engineering and Architecture.

Received client appreciations for quick understanding and implementation of new requirements.

Proficient in developing Client/Server applications in 3-tier Architecture.

Experience in developing Classic ASP, VB 6.0, AJAX, JQuery, CSS, LESS, HTML5, XML, XPath, T-SQL, JavaScript, Angular, TypeScript, VBScript, LINQ,WCF, MVC, XSL, and XSLT.

Experience in database design and development using SQL Server 2008R2 and MS- Access.

Hands on experience on working with Win Forms and Web Forms.

Good understanding on XML, XSLT, WPF, MVC, WCF and ADSI/Active Directory, SQL server reporting services and SQL server integration services, SVN, VSS, JSON.

Good understanding of the new features related to Visual Studio 2017, .Net Framework 3.0-4.0, ASP.Net 2.0\3.5\4.0\4.5 SharePoint 2010 training, SQL Server 2012, Team Foundation Server, Telerik control.

Technical Qualifications



C#, Visual basic 6.0, SQL, PL/SQL, T-SQL


SQL Server2005, MS Access

Web Server:

IIS 7.0

Web Technologies:

ASP.NET, Classic ASP, HTML, DHTML, CSS, JavaScript, VBScript, XML, XSLT, Web Services, WCF


SQL Server Reporting Services, SQL Server Integration Services, Active Directory, ADSI, Team Foundation Server 2010

Employment History

LinTech Global Oct. 2018 – current Alexandra, VA

DoD OIG project management system

Senior Software developer

SSIS reports, SQL Server DB, Angular 2 MVC, Visual Studio 2015, SQL Server 2017, TFS.

Requirement collection, review old system, migration functions and logic to new system, meeting with client or software owner, testing and recursive test.

PSI Jan. 2018 to April 2018 Arlington, VA

NDMS system

middle tier developer

Responsibilities: Analysis business logic and building class parts for Controllers to consume.

Technologies: DotNetCore.MVC, DotNetEntityFramework.Core, TypeScript, Angular 2, Node.js,

Tools: Visual Studio 2017, Git Extension, SourceTree, GhostDoc, ReSharper, KDiff3, TFS, Postgres database


OOP class developing

ERPSI 4/2015 to Dec. 23 2017 Arlington, VA

USCIS CRM verification app

Senior developer, scrum Agile methodology, data analysis, documentation, communication with customer, code management, deployment, integration, CRM upgrade migration.

.Net, custom library, building workflow; dialog; Plugin, XRM, WPF, MS Dynamics CRM 2011, 2016, data analysis, system analysis, system maintenance, system enhancement, testing, MSMQ, ActiveMQ, TFS 2015, Visual Studio 2015, GitHub, JIRA, XrmToolBox, Xrm, JavaScript, C#, FetchXML, WCF, SSRS, SSDT, Visual Ribbon Editor, Ribbon Workbench, Plugin Registration Tool, Integration server and web service\window service testing


troubleshooting and debugging

build and troubleshooting and debugging web forms in html and javascript, Xrm

custom ribbon buttons function with Ribbon Edior

editing side map

build and troubleshooting and debugging custom plug-in for automation processing

build custom workflow/dialog windows

build and troubleshooting /debugging Report (SSRS) or Dashboard

analysis business logic

testing and troubleshooting web service issue through integration server and across services boundary.

Web servers configuration

CRM connect to SharePoint.

Deploy packages to product server


Training and help new developers

Communicate with client

User account management or authentication setting

CSC VIT project 5/2014– 2/2015 Washington, DC

Sir developer, modify, debugging, enhancement on the system of USCIS Identify Verification Tool. Tech used: MVC, AngularJS, Java, 508 compliance, .Net, Web services. Project methodology: Agile Scrum, stand up meeting.


508 compliance

Building Web form in HTML and AngularJS

Develop testing

Integrating finger print image app to web form

CHEMONICS International 10/2013 – 4/2014 Washington, DC

Primary Data analyst migrated Company core data from spreadsheet to SQL server to CRM. Technology used third party DTS tool, CRM 2013, SQL Server 2010, MS Office Excel Spread Sheet. Agile Methodology.


Data analysis

Data migration


DC metropolitan police department (MPD) Washington, DC

Feb. 25, 2013 to Oct. 4


ASP.Net, C#, Stored procedure, view, SQL Server database, DML, DDL, TCL, Entity Framework 4, Telerik, web service, Google Map GIS. WCF, REST, JQuery, Linq, UI, JavaScript, AJAX, window service, OOP, Enterprise Library 5.0, Oracle database 10g, Oracle,

T-SQL, SQL Developer 3, TFS, Agile development.


Design and develop Sex Offender Register system

Design and implement database on SQL Server 2010

Design and implement web form presentation and layout

JavaScript and Google map JavaScript library for Google Map presentation

Data grid presentation with Telerik control

JavaScript, JQuery, JSON web service call for data request from repository data Oracle database with Oracle SQL Developer.

JavaScript implementation for dynamically presentation of detail information of individual in popup window based on user mouse over or click on.

Deployment the project code

Testing system

Design and develop Sex Offender Register system for police department in Intranet for internal and public by Kiosk in DC police district offices to access and search data. Data displayed in RadGrid and on Google Map. Data advance search with web service query geographic data and display on the map with pin marker which clickable with popup detail info and address info.

Archer Systems GSA Enterprise Apps, Sterling, VA

11/2012 to 12/2012


ASP.Net, VB.Net, C#, stored procedure, database mirroring, backup job task, database backup plan, SOA, WCF.

Data analysis in SQL server and working on database mirroring and witness server on GSA system.

Environment: Visual Studio 2010, SQL Server 2008 R2, VMware vSphere Client.

Verizon (Capacity Create Process), Silver Spring, MD

March 2012 to October 2012


Migration, enhancement and debug, Capacity Create Process (CCP) application.

SQL Server 2008 R2, VS 2010 4.0, CVS version control, IPM project management tool, Oracle database, SQL Plus, JQuery, WCF, OOP, T-SQL. 50% C# code debugging in middle tier and class library, 50% large size stored procedure debugging.



Converting module from classical ASP to ASP.NET

Database analysis, writing stored procedure in SQL Server and Oracle

UI developing

HP PSG Houston Compaq Center, Houston, TX

05/2011 to 11/2011

Developer/SW engineer

Visual Studio 2010 SQL Server 2008 R2, WCF REST(web service) between UI(ASP.Net) and BLL/DAL application, Web Application in ASP.Net, Software Design, Documentation in Functional specification and Design specification, VISIO, SVN, VSS UML, Visual SVN, XML, XSD, XSLT, XPath JQuery,


Write design document, User case document

UI design and implement web form with JavaScript, JQuery, JSON

Write Web service WCF,

Write DAL with .Net C#

JSON, C++, GridView, MVC3,Report Viewer, Team work, enterprise system, Enterprise Library 5, SharePoint 2010.


Factory Key process management system UI in web with DAL and BLL WCF application, functional specification and design specification.

Amerisource Funding, Houston, TX

12- 2007 to 9- 2010


Designing, Developing and maintenance business development system, data warehouse system in Web and Window application.Data automation, Excel and Word C#.


Maintenance and enhancement company public web site with CMS, design and developed business marketing tools as intranet application in web, design and developed data analysis tools in WPF window application, design and develop Oracle database warehouse application for data analysis.

Environment: SharePoint 2007, SQL Server 2005, Oracle DB, ETL SSIS, SSRS ASP, AJAX, WEB service, XML, JavaScript, CSS, visual studio 2008, ASP.Net, C#, WPF, LINQ, multi-threading, OOP, Crystal Report, W3C, IIS, Adobe Suite CS3, Flash, MS Office Visio 2007, Excel macros.

Compass Technology, Houston, TX

6- 2007 to 12- 2007

E-commerce Web Application

Developer, Software Engineer


Payment subsystem, dynamic page navigational display product items, category, sub category and its related information or description.

Designed and implemented presentation layer and business logic layer.

Designed and implemented data access layer.

Designed and Implemented partial database layer.

Environment: SQL Server 2005, ASP, VB.NET, XML, JavaScript, AJAX, CSS, visual studio 2005, FTP, W3C, XHTML, DHTML, IIS.

CBSL Transportation Services, Pasadena, TX

3- 2007 to 6- 2007

Web Application Contractor


Responsibilities: (converting client/server application to web application)

Designed and Implemented client and server side components of CBSL service operation data system modules, “SHOP”, ”IBC”, ”Tank Wash”.

Designed and implemented presentation layer with rich data grid, very dynamic interaction.

Designed and implemented request mechanism for the different module.

Designed and implemented partial data loading mechanism in the modules.

Environment: JavaScript, AJAX, CSS, XHTML, DHTML, DLL, ASP.Net, VB.Net and SQL SERVER 2000, VB6.0, W3C, Editplus.

Excel Mortgage & Investment Services Inc., Falls Church, VA

3- 2003 to 6- 2006

Project manager, system developer and maintenance Rockville, Maryland

Cooperated business group/function and management of development of goals, objectives and performance success criteria.

stand-alone application development

Designed and implemented presentation layers of business modules

Designed and implemented business logic components and database access components in business layer and data access layer

Designed and implemented database layer

Environment: ASP, JavaScript, CSS, SQL Server 2000/2005, SQL, Stored Procedures, SSIS, VB Script, DHTML, ADO, ODBC, PhotoShop.

Intranet mortgage finance operation system in web application and window application (stand-alone application development)

Designed and implemented presentation layer.

Designed and implemented request mechanism for the different module of the application to the calc engine.

Designed and implemented data loading mechanism in calculation engine module.

Designed and implemented data access layer.

Designed and implemented database layer.

Setting email server, Network services.

Environment: ASP.NET, C#, CSS, XML, XSLT, ADO.NET, XPath, MS Access 2002, VBA, Exchange Server 2003, visual studio 2003, IIS, Web Service.

ACS Marketing Group, Rockville, MD

7- 2000 to 3- 2003

System Analyst

Designed and implement the site.

Environment: ASP, DHTML, JavaScript, CSS, Dreamweaver, UNIX, Perl Shell script, MS Access windows app.

Marketing process operation system

Designed and implement 3 tier architecture.

ACS Standard proposal documentation system for ACS proposal process guide line.

Implement and maintenance presentation layers, operation components and modules.

Environment: ASP, Visual Source Safe, Visual Studio, JavaScript, CSS, DHTML, W3C, MS Access 2000, SQL, VBScript, NT, PhotoShop, Perl script.

Picture Vision, Herndon, VA

July 1999 to January 2000

Perl programmer

Developed online applications for customer online picture services in Perl shell script on SunMicro environment.


MS Computer Science

Hood College, 1998

BS Biology 1983 East China Normal University Shanghai, China

Active Public Trust

Active Secrete clearance

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