David Walker

Employee, Associate Director - Digital Services, Virtusa

Houston, United States of America


SQL Server
SharePoint Edit


Professional experience for David Walker

  • Current , since Nov 2015

    Associate Director - Digital Services


  • 8 months, Mar 2015 - Oct 2015

    Sitecore Practice Director


  • 1 year, Apr 2014 - Mar 2015

    Sitecore Architect in the Digital Cloud Practice


  • 1 year and 4 months, Jan 2013 - Apr 2014

    Public Web Architect

    FMC Technologies

  • 3 years and 8 months, Jun 2009 - Jan 2013

    Senior Application Development Manager

    Microsoft Corporation

  • 1 year and 3 months, Mar 2008 - May 2009

    Technical Specialist in the Microsoft Practice Area

    The Revere Group

    Implementing Sitecore, SharePoint and other Microsoft .NET centric technologies for multiple clients including many Fortune 500 companies.

  • 1 year and 1 month, Mar 2007 - Mar 2008

    Manager of Software Development and Technical Architecture

    WinnerComm, Inc.

    Broad range of responsibilities from management of software development of over 15+ full time and contract developers and database administrators delivering multiple simultaneous projects, software development environment, hosting facility management, candidate interviews, code reviews, technical architecture, initiating and finalizing Microsoft partnership and actual development of high traffic web sites utilizing multiple enterprise content management systems.

  • 1 year, Apr 2006 - Mar 2007

    Software/System Architect / Application Management

    TAC Worldwide / IBM Global Services / Williams

    Vital member of a global team working in a very versatile and dynamic environment, focusing on system architecture and application management of over 600 applications on 300 servers, utilizing a broad range of technologies: ASP, .NET, Cold Fusion, Java, WebLogic, Oracle 10g PL-SQL, SQL Server TSQL.

  • 4 months, Jan 2006 - Apr 2006

    Senior Software Developer

    Winnercomm, Inc.

    Contract position with a very high end interactive multimedia media company that develops high profile and high traffic web sites (6 of the top 10 per MSN) utilizing ASP.NET C# applications with SQL Server 2000 TSQL Stored Procedures and Triggers. * Increased site reliability and scalability of the most problematic web applications efficiently and effectively. * 24 Hour transaction processing web application dependability and maintainability processing over $200,000 per month.

  • 2 years, Jan 2004 - Dec 2005

    Bank of Oklahoma

    Software Developer III

    Developed mission critical banking systems using ASP.NET 90% C# and 10% VB.NET, SQL 2000 TSQL and Visual Studio.NET 2003. Replaced BizTalk 2000 and MSMQ with C# Windows Service. • Refactored existing code reducing processing time by 400%. • Saved $10,000+ in BizTalk licensing by architecting/developing a very extensible framework utilized in 24x7 operations. • Architected/Developed company’s first smart client application, .NET 1.1 web services backend, .NET 2.0 beta front end.

  • 1 year and 10 months, Apr 2002 - Jan 2004

    Software Engineer/Consultant

    Sebring Systems Technologies, Inc.

    Lead developer in several projects, including: an ASP.NET implementation of a large HIPAA compliant multi-user psychiatric web application helping doctors and patients communicate. A real time VB6 application. * Managed multiple projects for a large variety of clients successfully throughout the full Software Development Life Cycle. * Transitioned easily to VB.NET and C# while developing and architecting multiple ASP.NET and WinForm applications.

  • 4 years and 1 month, Mar 1998 - Mar 2002

    Software Engineer/Consultant

    Clientele-Solutions, Inc.

    Managed multiple projects for a large variety of clients successfully throughout the full Software Development Life Cycle.

  • 1 year and 5 months, Jul 2000 - Nov 2001

    Director of Product Development

    KnowledgeGEAR, Inc,.

    Utilize leadership and technical skills overseeing a team of developers in the design, development, maintenance, distribution and customization of several applications distributed and sold directly and through reseller channels as a large suite of Intranet Applications under the trade name KnowledgeGEAR; all applications developed using ASP connecting to Microsoft SQL Server and/or Oracle, Install Shield, completed Help system prototypes using Microsoft HTML Help, WebHELP, and WinHELP systems using RoboOffi

  • 1 year and 3 months, Mar 1999 - May 2000

    Intranet/Desktop Application Developer/Architect

    Clientele Solutions at Bank of Oklahoma

    Lead design, development, and maintenance of large mission critical corporate Intranet Apps with accountability for initiating projects using notepad and publishing with Front Page using ASP and SQL Server 6.5 utilizing many TSQL stored procedures, triggers, and user defined functions, including a Business Days and Business Hours calculation between two date and times taking into account company holidays. I created a VB 6 and Crystal Reports windows app that gave the end user the ability to run their own re

  • 1 year and 1 month, Mar 1998 - Mar 1999

    Consultant: Intranet/Desktop/Database Application Developer/Architect

    Clientele Solutions, Inc at Texaco

    Designed, developed and maintained large mission critical Internet, Intranet, and Extranet applications using notepad, MS Front Page, Visual InterDev, and HAHT with MS Access 95-97, Oracle 7.2, and MS SQL Server 6.5. This included: corporate records management, knowledge management, web portal, employee directory, group scheduling, messaging, online-conferencing, forms, and knowledge base. I created, maintained and administered several Oracle 7.2 PL-SQL stored procedures and triggers. I developed a dynamic

  • 1 year and 5 months, Nov 1996 - Mar 1998

    Application/Internet Developer and Webmaster

    Global Technologies International

    Design/development team of several distributed multi-tier windows applications to achieve scheduling requirements of the U.S. Air Force, using VB 3-5, Delphi 2-3, ASP, and Oracle 7.1 PL-SQL stored procedures.Developed several Internet, Intranet, and Extranet applications using Access 95-97, Oracle, & MS SQL Server TSQL including: employee handbook, phone directory, document repository, group scheduling, messaging, online-conferencing, forums, knowledge base, application release notification, etc.

  • 1 year and 1 month, Nov 1995 - Nov 1996

    Computer Programmer Dial-up Networking Administrator

    MultiMedia Games, Inc.

    Developed several multi-user applications with Microsoft Access v2 and v7 using Visual Basic for Applications and SQL. • Architected improvement of processing algorithm which increased efficiency and reduced processing time by over 90%.

  • 4 months, Oct 1995 - Jan 1996

    Microsoft Office/LAN/WAN Help Desk


    Served on a three-member team answering technical migration questions in a call-center environment. I designed websites using HTML, CGI and Perl. Was a Key Temporary Personel Contractor.

  • 4 years and 2 months, Sep 1991 - Oct 1995

    Medical Billing and Server Admin

    Tulsa Radiology Associates, Inc.

    Performed medical billing including skip tracing, insurance claims processing, CPT coding, Medicaid/Medicare billing, workers’ compensation, etc. as well as computer support tasks. QNX and HP system backup and nightly jobs.

Educational background for David Walker

  • Tulsa Community College


  • English



SQL Server

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