Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Jim McMillen, a Senior WordPress Developer based in Andover, Ohio, with 20+ years of web development experience and 10+ years focused on WordPress. I diagnose and repair unstable WordPress environments, including plugin conflicts, outdated PHP compatibility issues, broken themes, and performance bottlenecks, to restore reliability and user experience. I specialize in WordPress recovery, performance optimization, and long-term maintenance programs that keep sites secure, fast, and scalable. I implement security hardening, automated backups, uptime monitoring, and CMS training for clients to manage content confidently, handle migrations, and maintain strong SEO visibility.…Hi, I’m Jim McMillen, a Senior WordPress Developer based in Andover, Ohio, with 20+ years of web development experience and 10+ years focused on WordPress. I diagnose and repair unstable WordPress environments, including plugin conflicts, outdated PHP compatibility issues, broken themes, and performance bottlenecks, to restore reliability and user experience. I specialize in WordPress recovery, performance optimization, and long-term maintenance programs that keep sites secure, fast, and scalable. I implement security hardening, automated backups, uptime monitoring, and CMS training for clients to manage content confidently, handle migrations, and maintain strong SEO visibility.

Jim McMillen

Web Developer, Full Stack Developer, Front-End Developer, +6





Hi, I’m Jim McMillen, a Senior WordPress Developer based in Andover, Ohio, with 20+ years of web development experience and 10+ years focused on WordPress. I diagnose and repair unstable WordPress environments, including plugin conflicts, outdated PHP compatibility issues, broken themes, and performance bottlenecks, to restore reliability and user experience. I specialize in WordPress recovery, performance optimization, and long-term maintenance programs that keep sites secure, fast, and scalable. I implement security hardening, automated backups, uptime monitoring, and CMS training for clients to manage content confidently, handle migrations, and maintain strong SEO visibility.…Hi, I’m Jim McMillen, a Senior WordPress Developer based in Andover, Ohio, with 20+ years of web development experience and 10+ years focused on WordPress. I diagnose and repair unstable WordPress environments, including plugin conflicts, outdated PHP compatibility issues, broken themes, and performance bottlenecks, to restore reliability and user experience. I specialize in WordPress recovery, performance optimization, and long-term maintenance programs that keep sites secure, fast, and scalable. I implement security hardening, automated backups, uptime monitoring, and CMS training for clients to manage content confidently, handle migrations, and maintain strong SEO visibility.

Available to hire

Hi, I’m Jim McMillen, a Senior WordPress Developer based in Andover, Ohio, with 20+ years of web development experience and 10+ years focused on WordPress. I diagnose and repair unstable WordPress environments, including plugin conflicts, outdated PHP compatibility issues, broken themes, and performance bottlenecks, to restore reliability and user experience.

I specialize in WordPress recovery, performance optimization, and long-term maintenance programs that keep sites secure, fast, and scalable. I implement security hardening, automated backups, uptime monitoring, and CMS training for clients to manage content confidently, handle migrations, and maintain strong SEO visibility.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Founder / Lead Developer at The WordPress Doctor

January 1, 2025 - November 7, 2025

Founded and built a full-service WordPress maintenance and support brand with a strong “medical” theme centered on preventative care for websites. Designed and maintained over 50 WordPress websites for clients in service, e-commerce, and nonprofit sectors. Implemented automated update workflows, uptime monitoring, and backup systems to minimize downtime and client emergencies. Developed SEO-optimized case studies (“Recovery Stories”) showcasing measurable performance improvements and client results. Created lead generation tools including downloadable guides, Trello templates, and branded “Doctor’s Orders” checklists.

Senior Web Developer / Digital Marketing Specialist at The SkyRocket Group

January 1, 2025 - January 1, 2025

Led all WordPress and web design projects for the agency’s portfolio of regional and national clients. Developed custom themes and responsive designs using HTML5, CSS3, JavaScript, and PHP. Managed site migrations, updates, and bug fixes, ensuring zero downtime during transitions. Collaborated with SEO and content teams to increase client site traffic by 50–200% through improved page structure and speed optimization. Trained junior developers and implemented QA procedures for cross-browser and mobile performance.

Senior WordPress Developer at SkyRocket Group

January 1, 2016 - Present

Develop and maintain WordPress websites for agency clients with a focus on performance optimization, troubleshooting, security, and long-term stability. Key contributions include designing, developing, and maintaining WordPress sites; diagnosing and repairing complex WordPress issues including plugin conflicts, PHP compatibility errors, and unstable theme code; restoring functionality and preventing future failures. Reduced site load times from 5 seconds to under 2 seconds via caching strategies, image optimization, and database cleanup. Implemented responsive design improvements, increasing mobile traffic by 50%. Executed complete WordPress site migrations with minimal downtime and zero data loss. Implemented automated backups, security monitoring, and uptime alerts reducing downtime risk by 45%. Managed ongoing WordPress maintenance programs including updates, performance optimization, and security hardening.

Senior Web Developer & Social Media Manager at Starn Marketing Group

January 1, 2013 - January 1, 2016

Developed and maintained WordPress websites for marketing clients. Troubleshooted WordPress issues including plugin conflicts, theme errors, and CMS functionality problems. Implemented SEO best practices to improve organic visibility. Optimized images and web assets to improve load speeds and user engagement. Managed server backups, hosting environments, and security monitoring.