Jon Ziefle Email & Phone Number

Ann Arbor, Michigan, United States

Cary, NC

• Technical lead for MetLife's marketing and brand website (www.metlife.com), used by 30+ markets globally. Built using Adobe Experience Manager (AEM), a Sling-based CMS with a Java backend.
• Develops full-stack reusable components, from front-end visuals/interaction to back-end business logic.
• Performs vendor oversight and code review for externally developed components, ensuring sound coding practices and high quality deliverables.
• Provides mentoring and technical guidance to contractors and junior developers.
• Maintains project documentation on best coding practices and software architecture.

Cary, NC

• Developed the "Evolution" rebrand for MetLife.com, including an updated visual design language and user experience, along with an entirely new backend coding architecture to better support market customizations.
• Modernized the AEM authoring experience, migrating all CMS component and template dialogs to Adobe's Touch UI standard interface.
• Supported code deployment for the launch of numerous markets onto our global CMS platform.

Cary, NC

• Developed a new responsive website for MetLife.com, using HTML5, CSS3, jQuery, and Bootstrap. Componentized and integrated static code into Crownpeak, a C#/.NET based CMS.
• Completed a full website migration to AEM, for better integration with Adobe’s suite of tools.
• Developed team’s front end automation scripts and tools using Grunt, a Node.js task runner.
• Built “Component Viewer”, a Handlebars.js/jQuery based templating engine that allows the development team to quickly mock components as they would appear in AEM.

Cary, NC

• Participated in the MetLife Technical University (MTU), a technical leadership program with a combined curriculum of professional development and coursework in software development.
• Redesigned the existing MetLife.com “Find an Office” tool using responsive design and the rebranded MetLife styling. Developed using HTML5, CSS3/Sass, JavaScript/jQuery, and Google Maps API.
• Converted an Excel-based “Broker Commission Calculator” into a responsive web application using AngularJS. Wrote unit tests with Karma & Jasmine.

Durham, NC

• Improved code quality and readability by refactoring Perl scripts used to generate XML charts and plots (using gnuplot) displaying RNA/DNA sequencing data.
• Replaced legacy Perl scripts by developing a C++ based interface with error handling to connect to a PostgreSQL database (using SQLAPI++).
• Performed unit testing on software components for the Quintiles Comprehensive Cancer Panel (QCCP).

Chapel Hill, NC

• Conducted building energy audits, identified energy conservation measures, quantified cost and payback, and prioritized project schedules.
• Provided oversight to ensure successful project implementation and execution within the scope, schedule, and cost budgets identified.

Rocky Mount, NC

• Performed testing and calibration of Cummins diesel engines to meet emissions requirements, while maintaining fuel economy and power.
• Conducted engine test cell experiments, supervising technicians on test procedures, analyzing results, and providing improvements to engine software calibrations.

Raleigh, NC

• Designed and fabricated testing stands & procedures to comply with Solar Rating & Certification Corporation (SRCC) standards for the certification of solar thermal water heating systems.
• Performed validation of testing stands & procedures and presented results at the State Energy Conference of North Carolina.
• Supervised two undergraduate students on individual solar thermal and solar photovoltaic projects.

Charlotte, NC

• Performed piping stress analysis on process water piping to support nuclear plant modifications.
• Wrote detailed engineering reports detailing these findings and provided technical review to others’ calculations.

Marlborough, MA

• Performed piping stress analysis on piping for a European-designed nuclear fuel enrichment facility.
• Calculated stress tolerances for non-standard European piping and valve components for compliance with U.S. standards using ASME B31.1 and B31.3 codes.

Bs, Computer Science

Ms, Mechanical Engineering

▪ Project: "Development of Solar Thermal Collector Testing at the North Carolina Solar Center" ▪ Graduate Certificate: Renewable Electric.

Bs, Mechanical Engineering

▪ Thesis: "Crack Detection in High-Mast Light Poles”