{"id":35,"date":"2024-12-23T14:32:13","date_gmt":"2024-12-23T20:32:13","guid":{"rendered":"https:\/\/www.zacharyguinn.com\/?page_id=35"},"modified":"2025-11-01T20:48:05","modified_gmt":"2025-11-02T01:48:05","slug":"experience","status":"publish","type":"page","link":"https:\/\/www.zacharyguinn.com\/index.php\/experience\/","title":{"rendered":"Experience"},"content":{"rendered":"\n<p><strong>H-E-B <\/strong>&#8211; <em>Digital Security- <\/em>Application Security Engineering<span style=\"float:right;\">San Antonio, TX<\/span><br><em>Senior Application Security Engineer<\/em><span style=\"float:right;\">September 2025 &#8211; Present<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tracking down the usage of AWS Configs to help H-E-B cut costs in AWS security monitoring.<\/li>\n\n\n\n<li>Currently on-boarding and learning the team and space.<\/li>\n<\/ul>\n\n\n\n<p><strong>H-E-B <\/strong>&#8211; <em>Enterprise Core Operations &#8211; Core Product Data Services<\/em> <span style=\"float:right;\">San Antonio, TX<\/span> <br> <em>Senior Software Engineer<\/em> <span style=\"float:right;\">January 2023 &#8211; September 2025<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Assisted in redesign of how nutritional data is retrieved, stored, and delivered at H-E-B to enable more accurate distribution of information\u00a0 to customers and BI.<\/li>\n\n\n\n<li>Lead the migration of 50 legacy apps, leveraging Linux administration, docker\/kubernetes, and software engineering skills to enhance system sustainability for legacy applications.<\/li>\n\n\n\n<li>Designed a PostgreSQL data store for core data apps, integrating GitLab CI\/CD to streamline DB changes and cut delivery time from an SLO of 3 days to a few hours, bypassing DB team requests.<\/li>\n\n\n\n<li>Partnered with warehouse business and dev teams to design and deliver an API and Spring-Batch runner that provides over 2.5 million warehouse-item records to a new warehouse management tool called Manhattan.<\/li>\n\n\n\n<li>Mentoring junior developer<\/li>\n<\/ul>\n\n\n\n<p><strong>USAA <\/strong>&#8211; <em>Platform Infrastructure &#8211; Developer Workstation \/ Developer Experience<\/em><span style=\"float:right;\">San Antonio, TX<\/span> <br> <em>Software Engineer I <\/em>                                                                                        <span style=\"float:right;\">November 2018 &#8211; January 2023<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Developed a tool integrating CyberArk test credentials into local dev environments, boosting developer efficiency by 40% for 500+ engineers.<\/li>\n\n\n\n<li>Innovated on a new project to replace docker with an in-house containerization tool that saved USAA $2.5 million in licensing costs.<\/li>\n\n\n\n<li>Led 6 interns in Summer 2021 to deliver an MVP for internal app-owner\/user communication within 10 weeks.<\/li>\n\n\n\n<li>Enabled, developed, and delivered USAA\u2019s \u201cclassic\u201d development environment for Apple\u2019s MacOS.<\/li>\n\n\n\n<li>Application owner and maintainer for several developer tools used in the organization.<\/li>\n\n\n\n<li>Developed and adapted in-house eclipse plugins for Mac development environment.<\/li>\n\n\n\n<li>Devised a dockerized WebSphere JVM solution for MacOS, overcoming IBM\u2019s lack of native support.<\/li>\n\n\n\n<li>Refined various batch jobs to facilitate the \u201cClassic on Mac\u201d developers.<\/li>\n\n\n\n<li>Taught 2 classes on how to get the most out of a developer workspace environment.<\/li>\n<\/ul>\n\n\n\n<p><strong>USAA <\/strong>&#8211; <em>ITPS \/ Platform Infrastructure &#8211; Open Source Governance<\/em>\/Forum (OSF) <span style=\"float:right;\">San Antonio, TX<\/span> <br> <em>Software Developer II<\/em> <span style=\"float:right;\">May 2016 &#8211; November 2018<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Co-led the retirement of the old OSF platform, deploying a JBoss\/AngularJS-based solution to enhance enterprise-wide open-source adoption&nbsp;<\/li>\n\n\n\n<li>Enhanced OSF to cut request times from months to minutes while strengthening defenses against vulnerabilities, viral licenses, and obsolete software.<\/li>\n\n\n\n<li>Driving developer engagement in OSF to provide a community-grown application and process.<\/li>\n\n\n\n<li>Mentored and led 5 interns in the 2016 summer intern program. The team delivered MVP at the end of the program.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p><strong>USAA <\/strong>&#8211;<strong> <\/strong><em>HR IT &#8211; HR Cloud, Workday Integration<\/em>                                                                      <span style=\"float:right;\">San Antonio, TX<\/span> <br> <em>Software Developer II<\/em>                                                                 <span style=\"float:right;\">November 2014 \u2013 September 2016<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Contributed to the deployment of Workday at USAA.<\/li>\n\n\n\n<li>Lead the charitable giving integration with Benevity payroll deductions in Workday to facilitate a total self-serviced cloud-based solution for managing giving by the employee.<\/li>\n\n\n\n<li>Lead the Workday Employee ID integration with the target platform of Salesforce to cut costs and technical debt by using a cloud-to-cloud solution.<\/li>\n\n\n\n<li>Delivered HR Cloud to facilitate employee requests to HR that in turn, cut overhead and costs.<\/li>\n\n\n\n<li>Mentored intern during the 2015 intern program.<\/li>\n<\/ul>\n\n\n\n<p><strong>USAA <\/strong>&#8211; <em>Enterprise Integrated Solutions Group<\/em>                                                                         <span style=\"float:right;\">San Antonio, TX<\/span> <br> <em>Software Developer III<\/em>                                                                              <span style=\"float:right;\">August 2014 \u2013 November 2014<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Worked on various salesforce small-mods<\/li>\n\n\n\n<li>Worked on an innovation side project with Google Glass and iBeacons<\/li>\n<\/ul>\n\n\n\n<p><strong>USAA <\/strong>&#8211; <em>IT Internship Program     <\/em>                                                                                           <span style=\"float:right;\">San Antonio, TX<\/span> <br> IT Intern                                                                                                                     <span style=\"float:right;\">May 2013 \u2013 August 2013<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learned UI Mobile development<\/li>\n\n\n\n<li>Partnered with another intern to develop the critical task dashboard for Mainframe Automation&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-left\"><strong>Texas Tech University <\/strong>&#8211; <em>Professor Research<\/em><span style=\"float:right;\">Lubbock, TX<\/span> <br> Software Developer                                                                     <span style=\"float:right;\">Fall Semester 2013 \u2013 Spring Semester 2014<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Developed a web app to gather metrics from 100+ participants in a genetic research study, driving the identification of a novel link between genetics and human choice behavior<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>H-E-B &#8211; Digital Security- Application Security EngineeringSan Antonio, TXSenior Application Security EngineerSeptember 2025 &#8211; Present H-E-B &#8211; Enterprise Core Operations &#8211; Core Product Data Services San Antonio, TX Senior Software Engineer January 2023 &#8211; September 2025 USAA &#8211; Platform Infrastructure &#8211; Developer Workstation \/ Developer ExperienceSan Antonio, TX Software Engineer I November 2018 &#8211; January [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-35","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/pages\/35","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/comments?post=35"}],"version-history":[{"count":8,"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/pages\/35\/revisions"}],"predecessor-version":[{"id":95,"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/pages\/35\/revisions\/95"}],"wp:attachment":[{"href":"https:\/\/www.zacharyguinn.com\/index.php\/wp-json\/wp\/v2\/media?parent=35"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}