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Keith Zimmerman, Software Developer in Minneapolis, MN, United States
Keith Zimmerman

Software Developer in Minneapolis, MN, United States

Member since November 30, 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
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Portfolio

Experience

Location

Minneapolis, MN, United States

Availability

Part-time

Preferred Environment

Atlassian, Jenkins, OS X, IntelliJ, Git

The most amazing...

...learning experience I had early in my career was in a performance benchmark project for a large retailer.

Employment

  • Senior DAM Support Specialist

    2018 - PRESENT
    Fortune 50 Heavy Equipment Manufacturer
    • Built and supported the entire software architecture of OpenText Media Manager, the digital asset manager used by the company to store all marketing images and 3D models.
    • Developed scripts in Python and PowerShell to provide maintenance reports, such as a daily report to show any files that failed to make it through every step of an automated data flow.
    • Led all development meetings as the team's ScrumMaster and Agile expert.
    • Leveraged third-party Computer Vision tools (Microsoft Azure Cognitive Services) for recognizing faces and other objects in image assets.
    Technologies: Oracle, Python, Java

  • Freelance Developer

    2017 - PRESENT
    Yukon Solutions
    • Prototyped web applications using Node.js with Angular 2+ or React.
    • Taught junior developers the concepts behind front-end and back-end development, including work in Node.js, React, Angular, and Jest.
    • Researched video delivery using HTTP Live Streaming for an e-learning project. Set up a Node.js Express server that served up static video segments and set up the proper mime types. Used Apple tools to break up videos into segments.
    Technologies: Streaming, HTTP, React, Angular, Node.js

  • Lead Web Developer

    2015 - 2017
    ShopperTrak
    • Remotely led a small team of API developers based in Chicago. Promoted Agile patterns, including team-driven processes.
    • Used Node.js to communicate with existing web services and AWS RedShift data warehouse.
    • Documented all systems and processes in the company's Confluence-based wiki.
    • Started and maintained company initiative of using TeamCity CI for CI and CD.
    • Trained and mentored junior developers in all aspects of full-stack development, including unit testing, end-to-end testing using Protractor, automation, coding conventions, design patterns, fundamental theory, and performance load testing.
    • Maintained a Docker image for automated end-to-end testing in a browser.
    • Developed queries in MongoDB for user data and geographical data. Used 2dsphere indexes for geographical data. Leveraged aggregation operations for complex data problems.
    Technologies: MongoDB, Node.js

  • Web Development Contractor

    2012 - 2014
    Lifetouch
    • Built a new visual graphics editor using AngularJS and Grails.
    • Reverse-engineered an account management system into a new Grails web app with an Ext JS 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: Oracle, jQuery, Ext JS, AngularJS, Grails, Groovy

  • Manager, Web Development

    2008 - 2011
    Merrill Communications, LLC
    • Managed a large (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.
    • Enabled the team to lead themselves by employing managerial techniques influenced by Scrum and Kanban.
    • 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: REST, Oracle, Apache Tomcat, Spring, Apache Struts, Java

  • 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 Ext JS.
    • 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: HTML, Apache Struts, Java, JavaScript, Ext JS

  • 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: JavaScript, Apache Struts, JavaServer Pages (JSP), Java, Servlet, HTML

  • 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: SOAP, Apache Struts, Jakarta EE, Oracle PL/SQL, Oracle Forms

  • Web Developer

    2000 - 2004
    Retek
    • 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 PL/SQL, Oracle Forms, Oracle

Experience

  • Prestige Portraits
    https://shop.prestigeportraits.com/shop/login.html

    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
    http://www.datasite.com

    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.

Skills

  • Languages

    SQL, JavaScript, HTML5, Java, HTML, CSS, Groovy, Python, TypeScript, GraphQL, PHP, Perl, Ruby

  • Frameworks

    Grails, Spock, Jest, Protractor, Bootstrap, Express.js, Angular, AngularJS, Apache Struts, Ext JS, Spring, JavaServer Pages (JSP), Ruby on Rails (RoR), JUnit, Jasmine

  • Tools

    Bitbucket, IntelliJ IDEA, Confluence, Jira, GitHub, Trello, Subversion (SVN), Git, Eclipse IDE, Apache Tomcat, Servlet, Oracle Forms, IntelliJ, Jenkins, Atlassian

  • Paradigms

    MEAN Stack, Scrum, REST, Agile Software Development, Test-driven Development (TDD), Behavior-driven Development (BDD), Continuous Integration (CI), Responsive Web Design (RWD), Kanban, Microservices

  • Platforms

    Oracle, Amazon Web Services (AWS), Linux, MacOS, Windows, Docker, Jakarta EE, OS X

  • Storage

    Databases, MongoDB, Oracle PL/SQL, NoSQL, JSON, MySQL, Amazon S3 (AWS S3), Amazon DynamoDB

  • Other

    APIs, Prototyping, Front-end Development, Front-end, User Experience (UX), User Interface (UI), Data Modeling, Ajax, Single-page Applications (SPA), SOAP, HTTP, Streaming, Mobile Web

  • Libraries/APIs

    REST APIs, React, Node.js, jQuery, Antd

  • Industry Expertise

    Security

Education

  • 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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