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Front-end web developer with 6+ years of professional experience building responsive, high-performance websites. I develop fully custom WordPress themes, create custom web functionality for local and national businesses, and focus on fast, scalable delivery in agency environments. I’m experienced in JavaScript, PHP, WordPress development, custom theme/template creation, CMS integrations, and mobile-first UI development. I care about clean UI/UX, technical SEO, accessibility (WCAG), and I’m expanding into React and AI-assisted web application workflows.…Front-end web developer with 6+ years of professional experience building responsive, high-performance websites. I develop fully custom WordPress themes, create custom web functionality for local and national businesses, and focus on fast, scalable delivery in agency environments. I’m experienced in JavaScript, PHP, WordPress development, custom theme/template creation, CMS integrations, and mobile-first UI development. I care about clean UI/UX, technical SEO, accessibility (WCAG), and I’m expanding into React and AI-assisted web application workflows.

Adam Koller

Front-End Developer, Web Developer, Web Designer, +2

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Front-end web developer with 6+ years of professional experience building responsive, high-performance websites. I develop fully custom WordPress themes, create custom web functionality for local and national businesses, and focus on fast, scalable delivery in agency environments. I’m experienced in JavaScript, PHP, WordPress development, custom theme/template creation, CMS integrations, and mobile-first UI development. I care about clean UI/UX, technical SEO, accessibility (WCAG), and I’m expanding into React and AI-assisted web application workflows.…Front-end web developer with 6+ years of professional experience building responsive, high-performance websites. I develop fully custom WordPress themes, create custom web functionality for local and national businesses, and focus on fast, scalable delivery in agency environments. I’m experienced in JavaScript, PHP, WordPress development, custom theme/template creation, CMS integrations, and mobile-first UI development. I care about clean UI/UX, technical SEO, accessibility (WCAG), and I’m expanding into React and AI-assisted web application workflows.

Available to hire

Front-end web developer with 6+ years of professional experience building responsive, high-performance websites. I develop fully custom WordPress themes, create custom web functionality for local and national businesses, and focus on fast, scalable delivery in agency environments.

I’m experienced in JavaScript, PHP, WordPress development, custom theme/template creation, CMS integrations, and mobile-first UI development. I care about clean UI/UX, technical SEO, accessibility (WCAG), and I’m expanding into React and AI-assisted web application workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Work Experience

Web Developer at Adam Koller (Enterprise / personal employment record as provided)

August 20, 2022 - July 20, 2026

Developed and launched custom WordPress websites for a wide variety of clients by designing and building fully custom WordPress themes, custom PHP templates, and CMS-driven content structures. Built responsive, mobile-first front-end interfaces focused on performance, usability, and modern design standards. Implemented advanced functionality using ACF, dynamic filtering systems, custom post types, and Google Maps and Mailchimp integrations. Collaborated with designers, project managers, and clients to deliver sites aligned with business goals and branding requirements. Diagnosed and resolved front-end, CMS, and production-related issues efficiently in fast-paced client environments. Managed version control and deployments through Bitbucket and Git-based workflows using Visual Studio Code and terminal tools.

Web Developer at Koller Front-End Web Developer

August 1, 2022 - July 1, 2026

Developed and launched custom WordPress websites for a variety of clients by designing and building fully custom WordPress themes, custom PHP templates, and CMS-driven content structures. Built responsive, mobile-first front-end interfaces focused on performance, usability, and modern design standards. Implemented advanced functionality using ACF, dynamic filtering systems, custom post types, and Google Maps and Mailchimp integrations. Collaborated with designers, project managers, and clients to deliver websites aligned with business goals and branding requirements. Diagnosed and resolved front-end, CMS, and production-related issues efficiently in fast-paced client environments. Managed version control and deployments through Bitbucket and Git-based workflows using Visual Studio Code and terminal tools.

Web Developer at Nuvo Agency

January 1, 2020 - August 1, 2022

Converted PSD mockups into fully responsive, multi-page websites using WordPress and Joomla. Developed clean, maintainable front-end code ensuring strong cross-browser compatibility and responsive behavior across devices. Applied SEO best practices and accessibility standards (WCAG) to improve search visibility and user experience. Utilized Google Analytics insights to help clients understand traffic trends and optimize web performance. Worked directly with internal teams and clients to deliver website updates, troubleshoot issues, and maintain ongoing web projects.