WordPress front-end engineer and WordPress web architecture professional with 20+ years of experience building and optimizing both large and small-scale WordPress sites. Focus areas include custom theme/plugin development, performance optimization, responsive UI/UX, and e-commerce implementations. Track record includes migrating WordPress sites from multiple platforms while reducing page load times by 50% through advanced caching and file optimization, plus enforcing security protocols across a client portfolio to maintain high uptime.

Mat Oettinger

WordPress front-end engineer and WordPress web architecture professional with 20+ years of experience building and optimizing both large and small-scale WordPress sites. Focus areas include custom theme/plugin development, performance optimization, responsive UI/UX, and e-commerce implementations. Track record includes migrating WordPress sites from multiple platforms while reducing page load times by 50% through advanced caching and file optimization, plus enforcing security protocols across a client portfolio to maintain high uptime.

Available to hire

WordPress front-end engineer and WordPress web architecture professional with 20+ years of experience building and optimizing both large and small-scale WordPress sites. Focus areas include custom theme/plugin development, performance optimization, responsive UI/UX, and e-commerce implementations.

Track record includes migrating WordPress sites from multiple platforms while reducing page load times by 50% through advanced caching and file optimization, plus enforcing security protocols across a client portfolio to maintain high uptime.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Sr. Software Engineer at AOL
January 1, 2014 - Present
Delivered medium-to-large scale web projects using a diverse tech stack including JavaScript, CSS, PHP, and React.js, ensuring alignment with complex stakeholder objectives and business requirements. Collaborated with design teams to translate intricate visual mockups into responsive, high-performance front-end pages. Maintained software quality within an Agile framework and enforced version control across multiple concurrent projects using Git.
Sr. Software Engineer at Verisign Inc.
January 1, 2014 - October 22, 2025
Led a major site overhaul, migrating 300+ pages to a mobile-friendly, responsive interface, increasing mobile engagement. Mentored engineers, maintained XML-based content for 300+ pages, and delivered pixel-perfect front-end implementation from PSDs.
Software Engineer at AOL
January 1, 2014 - Present
Delivered medium to large-scale web projects using a diverse stack (JavaScript, CSS, PHP, React.js). Collaborated with design teams to translate visual mockups into responsive, high-performance pages. Contributed to Agile processes and Git-based version control to maintain velocity and code quality.
Software Engineer at Verisign Inc.
January 1, 2011 - December 31, 2014
Led a major site overhaul project involving 300+ pages, transforming the company website to be fully mobile-friendly and responsive, resulting in increased mobile user engagement.
Lead Engineer at Tier 10 Marketing
January 1, 2011 - October 22, 2025
Managed a high-volume portfolio of 30+ client websites and social media accounts. Accelerated deployment by delivering ~2 new WordPress sites per week using PHP/ACF to build custom back-end interfaces. Improved site performance and SEO through analytics monitoring and frontend optimizations.
Lead Engineer at Tier 10 Marketing
January 1, 2010 - January 1, 2011
Managed and maintained a high-volume portfolio of 30+ client websites and associated social media accounts, ensuring consistent branding, security, and performance. Accelerated deployment by delivering an average of two new custom WordPress websites per week using PHP/ACF to build backend interfaces. Improved site performance and SEO through continuous monitoring (Google Analytics/SEOmoz) and front-end optimizations including responsive design, file compression, minification, and advanced caching techniques.
Web Developer at Envictus Corp
January 1, 2009 - October 22, 2025
Architected and launched an educational software portal, using XSLT to transform XML data into web pages and improving UI/UX with CSS and jQuery for cross-browser compatibility and stability.
Web Developer at Envictus Corp
January 1, 2008 - January 1, 2009
Architected, launched, and maintained an educational software portal, using XSLT to translate complex XML data into multiple pages, and optimizing UI/UX with CSS and jQuery to ensure cross-browser compatibility and platform stability.
WordPress Developer
January 1, 2005 - Present
Spearheaded development for 70+ client sites utilizing Divi, Elementor, and WPBakery to accelerate deployment schedules by 25%.
WordPress Developer at Self-employed / Various clients
January 1, 2005 - Present
Spearheaded development for 70+ client sites utilizing Divi, Elementor, and WPBakery to accelerate deployment schedules by 25%. Engineered and launched multiple custom WordPress plugins to extend core functionality, enabling clients to integrate CRMs, capture new leads, and in one instance, manage an entire football league. Established and enforced robust security protocols across the client portfolio, significantly reducing vulnerability exposure and maintaining 99.9% uptime. Led migration of client websites from Squarespace and Webflow to WordPress, and enforced mobile-first design and accessibility standards to improve Google PageSpeed scores.

Education

Bachelor’s degree (Web Design & Interactive Media) at Art Institute of Pittsburgh
January 11, 2030 - January 1, 2009
Bachelor of Arts in Web Design & Interactive Media at Art Institute of Pittsburgh
January 11, 2030 - January 1, 2009
B.A. Web Design & Interactive Media at Art Institute of Pittsburgh
January 1, 2009 - August 10, 2026

Qualifications

US Army Veteran
January 11, 2030 - April 19, 2026

Industry Experience

Software & Internet, Media & Entertainment, Professional Services