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Keith Zimmerman

Keith Zimmerman

Minneapolis, MN, United States
Member since August 19, 2014
Keith is an experienced architect, developer, and modeler with superb communication skills and the ability to see a project through from beginning to end. He is equally comfortable with the rapid prototyping needs of startup companies and the Agile development workflow in larger teams.
Keith is now available for hire
  • Oracle, 14 years
  • Java, 12 years
  • JavaScript, 9 years
  • REST, 7 years
  • Agile Software Development, 7 years
  • Grails, 3 years
  • Node.js, 1 year
  • AngularJS, 1 year
Minneapolis, MN, United States
Preferred Environment
Git, IntelliJ, Mac OS X, Jenkins, Atlassian
The most amazing...
...learning experience I had early in my career was in a performance benchmark project for a large retailer.
  • Web Developer
    2015 - PRESENT
    • Used Node.JS to communicate with existing Java services.
    • Updated existing Grails applications.
    Technologies: Node.js, MongoDB
  • Web Development Contractor
    2012 - 2014
    • Built a new visual graphics editor using AngularJS and Grails.
    • Reverse-engineered an account management system into a new Grails web app with an extJS front-end.
    • Independently created a new CMS web application in Grails and refactored an existing JSF web application to use the CMS.
    • Worked in rapid development cycles with a cross-location team.
    • Converted a desktop-only website to a mobile single-page application using AngularJS.
    Technologies: Groovy/Grails, AngularJS, extJS, jQuery, Oracle
  • Manager, Web Development
    2008 - 2011
    Merrill Communications LLC
    • Managed a large sized (30+) development group for the DataSite web application, a leading virtual deal room provider.
    • Maintained and supported DataSite 6 while keeping as many developers focused on DataSite 7 as possible.
    • As Agile Lead (Scrum, Kanban), enabled the team to lead themselves.
    • Led data clean-up and migration efforts for all data in the Oracle RDBMS.
    • Reviewed and created technical designs in Confluence and Gliffy.
    • Administered the Jira project, including custom workflows and fields.
    • Created and managed all ISO 27001 controls for development.
    • Provided development direction with a focus on security and performance.
    Technologies: Java, Struts, Spring, Tomcat, Oracle, REST
  • Technical Lead, Web Development
    2007 - 2008
    Merrill Communications LLC
    • Designed and architected all development projects.
    • Led the project to internationalize a large web application, leveraging Struts and extJS.
    • Designed a data model, data migration plan, and login experience for Single Sign-on.
    • Facilitated project management with a remote UK translation team and prioritized development tasks.
    • Created Development Processes and Documentation for IT General Controls: SOX Compliance and ISO 27001 Compliance.
    • Administered all document sharing, collaboration, and bug tracking within Microsoft SharePoint.
    Technologies: extJS, JavaScript, Java, Struts, HTML
  • Web Development Consultant
    2005 - 2007
    Talent Software Services
    • Developed JavaScript UI controls before standard widget libraries were prevalent.
    • Made web services and service calls using SOAP and Apache Axis.
    • Designed a process for migrating all Oracle data to Unicode UTF-8.
    • Worked within a support rotation shift, where each developer would spend one week as the primary contact for production issues raised by Customer Support.
    • Rapidly implemented J2EE solutions within short development cycles.
    Technologies: HTML, Servlets, Java, JSPs, Struts, JavaScript
  • Web Development Consultant
    2004 - 2005
    Northrop Grumman
    • Maintained and enhanced an integrated USPS HR software system using Oracle and J2EE technology.
    • Became the team expert in J2EE, web services, MQ messaging, and Java Struts in a very short time while having little to no previous experience in each technology.
    • Augmented a J2EE web application that used Struts MVC and SOAP web services.
    • Repaired and modified a messaging system that used MQ Series and XML messages.
    • Fielded direct calls from clients during critical usage periods.
    Technologies: Oracle Forms, Oracle PL/SQL, J2EE, Struts, SOAP
  • Web Developer
    2000 - 2004
    • Worked up from entry-level developing to leading a small sized (2-3 person) development group.
    • Built an integrated retail software system, RIB, using Oracle and J2EE technology.
    • Created user interfaces in RMS using Oracle Forms Developer 6i.
    • Integrated large retail applications using services and XML messaging.
    • Performance tuned code for high-volume databases using analysis tools such as tkprof and statspack.
    • Wrote helper scripts and file generators using Korn shell and Perl scripting.
    • Provided support and documentation to clients.
    Technologies: Oracle, Oracle Forms, Oracle PL/SQL, Oracle Pro*C
  • Prestige Portraits (Development)

    An eCommerce website designed for high school seniors to purchase their senior portraits. I had sole responsibility for the creation of a new in-house content management system, leveraging product data from in-house merchandising system.

    Services provided: programming in Grails, J2EE and JQuery, performance monitoring, on-call support, and Oracle database analysis & scripting.

  • DataSite (Development)

    DataSite is the world's leading virtual deal room provider. DataSite provides a global, secure solution for hosting all kinds of content for deals and contracts. I managed and worked with the development team for DataSite, which required an intense focus on security and performance.

  • Languages
    JavaScript, Java, SQL, Groovy, HTML5, Perl, Ruby, PHP
  • Frameworks
    Spock, Grails, Apache Struts, Ext JS, Spring, AngularJS, Jasmine, JUnit, Ruby on Rails (RoR), Bootstrap, Express.js
  • Tools
    JIRA, Trello, Subversion (SVN), IntelliJ IDEA, Crucible, Eclipse IDE, Git, Confluence, GitHub
  • Paradigms
    REST, Scrum, Agile Software Development, Kanban, Continuous Integration (CI), Behavior-driven Development (BDD), Test-driven Development (TDD), MEAN Stack, Responsive Web Design (RWD)
  • Platforms
    Oracle, Mac OS, Linux, Windows 7
  • Storage
    Oracle PL/SQL, JSON, MongoDB, DynamoDB, MySQL, AWS S3
  • Libraries/APIs
    Node.js, jQuery
  • Other
    Single-page Applications (SPA), AJAX, Security, Data Modeling, Mobile Web
  • Bachelor's (with Honors) degree in Computer Science (minor: Speech/Communications)
    1996 - 2000
    University of Minnesota Institute of Technology - Minneapolis, MN
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