About
"I believe in one thing, hard work. If you work hard today, tomorrow's always a little easier."
Jonathon Harrelson
Frontend Developer • Search Engine Specialist • Digital Marketer
I am a senior front-end developer with a strong background in building high-performance, scalable web experiences. With over a decade of experience in front-end technologies, I specialize in creating seamless, user-focused interfaces while continuously expanding my expertise in full-stack development, APIs, and modern data structures.
I believe that search engine optimization (SEO) should be an integral part of web development. By prioritizing clean architecture, efficient workflows, and structured data, I ensure that every project is both technically sound and marketing-ready. Passionate about performance, scalability, and maintainability, I take pride in delivering solutions that drive engagement and business growth.
Download ResumeWhat I Know
HTML5
I use HTML5 to semantically build websites and web applications that are easy for search engines to crawl.
CSS 3
I use SASS/SCSS to produce clean CSS 3 stylesheets to get the most out of modern web browsers.
Javascript
I use javascript is one of the foundations of web development creating interactions between the user and browser.
PHP
I've used PHP while building for various Content Management Systems as well as custom implementations.
WordPress
Over 25% of websites today are built on this content management system, I have been developing on it since 2011.
ModX
ModX is my most recent Content Management System I've learned. I have been developing for it since mid-2015.
GulpJS
I use Gulp as my go-to workflow automation script to compile my styles and scripts to ensure proper working CSS and javascript.
NextJS
I use NextJs to build interactive performant front ends. Projects have utilized headless CMS, custom scheduling apps, and more.
Work History
2024
Present
Digital Marketing & Experience Manager
I engineered technical SEO improvements through frontend optimizations, including structured data implementation, JavaScript rendering enhancements, and Core Web Vitals optimizations. I developed an A/B testing framework using VWO JavaScript, enabling advanced CRO experimentation while maintaining performance best practices. Collaborating with sales, product marketing, and design teams, I built high-converting lead generation experiences using modern JavaScript frameworks. I also developed custom Drupal modules and interactive frontend experiences, optimized deployment workflows with CI/CD pipelines, and created interactive data visualization dashboards in Looker for performance reporting and analysis.
Technologies Used: Drupal Twig Javascript jQuery Gulp CSS3/SASS Github Similarweb SEMRush Looker Studio VWO Google Analytics Photoshop Visual Studio Code
2022
2024
Senior Digital Experience Manager
As a Senior Digital Experience Manager, my role quickly shifted into a developer position where I was responsible for maintaining, updating, and optimizing a WordPress website. With my expertise, I successfully led a seamless migration to a new hosting platform and relaunched the site as a headless WordPress CMS with a GatsbyJS front-end. My primary responsibilities involve strategizing and implementing A/B and multi-variant testing, as well as personalization for various audiences and verticals using MutinyHQ and Google Optimize. Additionally, I created reusable web components and developed solutions for cross-functional teams to create self-serve pages for the marketing organization. I also assisted with technical and on-page SEO efforts, while ensuring clean analytics and tracking through Google Analytics and Google Tag Manager. As a project manager, I effectively collaborated with external vendors during the redevelopment for the decoupled infrastructure.
Technologies Used: WordPress Javascript jQuery NextJS GatsbyJS Gulp CSS3/SASS Github BrightEdge SEMRush Screaming Frog SEO MutinyHQ Google Optimize Google Analytics Photoshop Visual Studio Code Bootstrap
2020
2022
Senior Web Developer
Primary Job Function: Maintain, update, and improve the functionality of WordPress site. Update content, create and implement new user interface and user experience modules, troubleshoot issues.
Secondary Job Function: Improve visibility of corporate digital assets through search engine optimization and analytics and increase security posture.
Technologies Used: WordPress Javascript jQuery Gulp CSS3/SASS Github BrightEdge SEMRush Screaming Frog SEO CrazyEgg Google Optimize Google Analytics Photoshop Visual Studio Code Foundation Bootstrap
