Resume for Douglas A. Seifert

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Douglas A. Seifert
1522 Hudson St., Redwood City, CA 94061
(650) 276-0392

SUMMARY OF QUALIFICATIONS

Over ten years of top, diversified programming experience ... Extensive background in many areas including Windows NT,2000,XP & UNIX operating systems ... Expertise in J2EE (v. 1.3 & v. 1.4) platform ... Expertise in server side application server frameworks including J2EE (SeeBeyond Integration Server, JBoss, Weblogic), Jakarta Tomcat, ATG Dynamo, and Vitria ... Expertise in lightweight inversion-of-control container frameworks, including Picocontainer ... Expertise in the Java SDK (through version 1.5.x) ... Expertise in web application development using MVC frameworks including Ruby on Rails, XWork 2 and Webwork 2, Struts, JSP, JSTL, Java Servlets, PHP, ASP, ISAPI, NSAPI and Perl CGI ... Expertise in writing high-performance, multi-threaded server applications using Java, C/C++ (pthreads and Win32 API) ... Expertise in integrating with third party web services, including PayPal, Amazon Web Services, USPS Merchant Tools, and UPS Merchant Tools ... Expertise in low-level network programming using TCP & UDP sockets ... Expertise in common web networking protocols including HTTP, HTTPS, FTP, SMTP and UDP ... Expertise in XML based technologies ... Expertise in distributed object programming using Drb, EJB3, Java RMI/IIOP, CORBA and COM/DCOM ... Expertise in database programming using ActiveRecord, JDO (XORM and BEA Kodo), Hibernate, JDBC, RogueWave DBTools, ADO and embedded SQL ... Expertise in messaging systems including JMS (ActiveMQ, Joram, STCMS & MQSeries) and Microsoft Message Queue ... Expertise in OODBMS including Object Store and Versant ... Experience using RDBMS including Oracle, Sybase, Postgresql, MySQL, HSQLDB and MS SQL Server ... Can apply object oriented techniques using design patterns to solve software problems ... Experience with dynamic HTML and CSS ... Scripting languages include JavaScript, PHP, JScript, PerlScript and VBScript ... Programming languages include Java, Ruby, C++, C, Python, Perl and FORTRAN ...

MAJOR ACCOMPLISHMENTS

Design and development of distributed Job scheduler using JGroups for running long-term publishing tasks for ring tone CMS at Infospace.
Design and development of J2EE 1.3/1.4 compliant, multi-threaded, high-performance application server. Took project from prototype to delivery in SeeBeyond's eGate 5.0 product. Lead architect in all aspects of the container design and specification implementations. Utilized JMX based service bus and interceptor architecture and used XML configuration scheme. Extremely detailed knowledge of all aspects of J2EE technologies and API's.
Design and development of a XWork 2 and WebWork 2 java web application for Security Pacific Home Loans integrating several third-party loan originaton systems (GFS and CLOUT) using a variety of Java technologies.
Design and development of a JMS v. 1.0.2 client-side library for SeeBeyond's JMS server. Utilized pluggable connection handling and protocol policies. Shipped with the eGate 4.5.x product line.
Design and development of Java servlet based framework utilizing XML as a messaging protocol.
Design and development of high-performance, multi-threaded session manager for tracking user DSL logins and managing bandwidth-on-demand sessions. Utilized MSMQ for reliable message transport. Integrated as an IIS Filter in a high-touch web framework.
Design and development of high-performance, scalable patching mechanism for client DSL software using Marimba Castanet. Included both client side and server side components.
Design and development of a web application server for dynamic web sites called Nucleo in C++ using CORBA and Object Store. Ported to Java and JDBC and renamed as Onion.
Design and development of intranet publishing system for Times Mirror Corporation using ATG Dynamo and Java servlets. Extensive use of JNI to integrate a third party content search and categorization tool.
Design and development of dynamic form generation and data collection tool using ATG Dynamo for Times Mirror Corporation.
Design and development of UNIX networking applications for visualization of Space Shuttle ascent trajectory simulations. Implemented automated data transfer using RPC and sockets.
Experience debugging large Java, C++, C and FORTRAN programs.

PROFESSIONAL EXPERIENCE

9/05 - present Software Architect
CloverLink Systems, Inc.
Glendale, CA

Designing and developing next-generation of mortgage broker loan origination system utilizing Java, Ruby and Ruby on Rails for Ownit Mortgage (previously Security Pacific Home Loans). Extensive third-party web service integration.

8/05 - 8/06 Software Architect
InfoSpace, Inc.
Los Angeles, CA

LA office architect for platform development. Responsible for best practices, mentoring, technology research and recommendations and core framework development. Improve and expand with new functionality existing content management and delivery system for mobile phones that generates $200+ million annual revenue. Improved performance of ring tone catalog publishing process 10 fold by analyzing the problem, debugging it and coding solutions.

1/04 - 8/05 Senior Consultant
CloverLink, Inc.
Glendale, CA

Senior consultant for a variety of clients, utilizing Java and the .Net framework to provide scalable web and internet solutions. Lead architect and developer for Security Pacific Home Loans Streamline Website project, which utilized Webworks 2, XWorks 2, Tomcat, Picocontainer (a lightweight, dependency injection service container framework), FOP (for document conversion), JMS (Joram JMS), JDO (XORM) and many other technologies to provide an online, end-to-end mortgage initiation, pricing and closing tool. Extensive third-party mortgage funding application integration using extensible pluggable framework. Developed CloverLink customer portal web application in Ruby and Ruby on Rails.

4/01 - 12/03 Senior Software Engineer & Architect
SeeBeyond Technology Corp.
Monrovia, CA

Lead architect and implementer of a high-performance, multi-threaded J2EE compliant application server for SeeBeyond's flagship eGate product. Involved in all stages of design and implementation of an JMX service bus, deployment and invocation interceptor framework, EJB container system, deployer, JNDI service, and JAAS Security manager. Integrated Jakarta Tomcat to provide web container services. Developed high-performance, scalable client-side JMS implementation for SeeBeyond's JMS server product. Lead the effort to bring the application server into compliance with Sun's Compatibility Test Suite (CTS) for J2EE 1.3 (achieved in 4/2003). Polished the implementation for inclusion in SeeBeyond's release of ICAN Suite 5.0.

5/99 - 3/01 Senior Software Engineer
Octive Technology, Inc.
Newport Beach, CA

Design and develop high-performance, multi-threaded servers for the Octive Technology DSL backend network in C++ and Java. Developed several JSP and Java servlet tools for assessing data integrity and network availability. Developed secure, scalable session manager in C++ for Octive's "Bandwidth On Demand" product. Development of the Octive servlet framework utilizing XML as a communication protocol.

11/97 - 5/99 Senior Web Application Engineer
USWeb (now MarchFIRST)
Santa Monica, CA

Design and develop high-performance, multi-threaded web-based applications for USWeb clients. Used Java and ATG Dynamo to develop several intranet solutions for Times Mirror corporation. Maintained several web sites based on the Nucleo web application framework developed at Lot 11 Studios.

10/96 - 11/97 Senior Web Application Engineer
Lot 11 Studios
Hermosa Beach, CA

Lead designer and developer for the Nucleo web application framework, an in-house tool for web site development and deployment. Utilized CORBA for distributed object communication and Object Store for object persistence. Deployed on several high-profile websites. Ported to Java and renamed as Onion. USWeb purchased the company in 11/97.

4/96 - 10/96 Software Developer
McDonnel Douglas
Long Beach, CA

Design and implement middleware connecting C17 work flow tools, legacy databases and document managing software in an integrated environment.

3/90 - 4/96 Application Programmer
Rockwell International (now Boeing Space Systems)
Downey, CA

Application programming for Space Shuttle trajectory analysis and design. Shell programming and data crunching applications in FORTRAN. Analytical and statistical design tools for selecting optimal space shuttle ascent paths in C. Data visualization programs integrating third party graphing and plotting tools for Shuttle trajectory simulations in C and C++.

EDUCATION

12/89 BS Aerospace Engineering
University of Michigan, Ann Arbor, MI

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9/05 - present	Software Architect CloverLink Systems, Inc. Glendale, CA Designing and developing next-generation of mortgage broker loan origination system utilizing Java, Ruby and Ruby on Rails for Ownit Mortgage (previously Security Pacific Home Loans). Extensive third-party web service integration.
8/05 - 8/06	Software Architect InfoSpace, Inc. Los Angeles, CA LA office architect for platform development. Responsible for best practices, mentoring, technology research and recommendations and core framework development. Improve and expand with new functionality existing content management and delivery system for mobile phones that generates $200+ million annual revenue. Improved performance of ring tone catalog publishing process 10 fold by analyzing the problem, debugging it and coding solutions.
1/04 - 8/05	Senior Consultant CloverLink, Inc. Glendale, CA Senior consultant for a variety of clients, utilizing Java and the .Net framework to provide scalable web and internet solutions. Lead architect and developer for Security Pacific Home Loans Streamline Website project, which utilized Webworks 2, XWorks 2, Tomcat, Picocontainer (a lightweight, dependency injection service container framework), FOP (for document conversion), JMS (Joram JMS), JDO (XORM) and many other technologies to provide an online, end-to-end mortgage initiation, pricing and closing tool. Extensive third-party mortgage funding application integration using extensible pluggable framework. Developed CloverLink customer portal web application in Ruby and Ruby on Rails.
4/01 - 12/03	Senior Software Engineer & Architect SeeBeyond Technology Corp. Monrovia, CA Lead architect and implementer of a high-performance, multi-threaded J2EE compliant application server for SeeBeyond's flagship eGate product. Involved in all stages of design and implementation of an JMX service bus, deployment and invocation interceptor framework, EJB container system, deployer, JNDI service, and JAAS Security manager. Integrated Jakarta Tomcat to provide web container services. Developed high-performance, scalable client-side JMS implementation for SeeBeyond's JMS server product. Lead the effort to bring the application server into compliance with Sun's Compatibility Test Suite (CTS) for J2EE 1.3 (achieved in 4/2003). Polished the implementation for inclusion in SeeBeyond's release of ICAN Suite 5.0.
5/99 - 3/01	Senior Software Engineer Octive Technology, Inc. Newport Beach, CA Design and develop high-performance, multi-threaded servers for the Octive Technology DSL backend network in C++ and Java. Developed several JSP and Java servlet tools for assessing data integrity and network availability. Developed secure, scalable session manager in C++ for Octive's "Bandwidth On Demand" product. Development of the Octive servlet framework utilizing XML as a communication protocol.
11/97 - 5/99	Senior Web Application Engineer USWeb (now MarchFIRST) Santa Monica, CA Design and develop high-performance, multi-threaded web-based applications for USWeb clients. Used Java and ATG Dynamo to develop several intranet solutions for Times Mirror corporation. Maintained several web sites based on the Nucleo web application framework developed at Lot 11 Studios.
10/96 - 11/97	Senior Web Application Engineer Lot 11 Studios Hermosa Beach, CA Lead designer and developer for the Nucleo web application framework, an in-house tool for web site development and deployment. Utilized CORBA for distributed object communication and Object Store for object persistence. Deployed on several high-profile websites. Ported to Java and renamed as Onion. USWeb purchased the company in 11/97.
4/96 - 10/96	Software Developer McDonnel Douglas Long Beach, CA Design and implement middleware connecting C17 work flow tools, legacy databases and document managing software in an integrated environment.
3/90 - 4/96	Application Programmer Rockwell International (now Boeing Space Systems) Downey, CA Application programming for Space Shuttle trajectory analysis and design. Shell programming and data crunching applications in FORTRAN. Analytical and statistical design tools for selecting optimal space shuttle ascent paths in C. Data visualization programs integrating third party graphing and plotting tools for Shuttle trajectory simulations in C and C++.