Senior PHP Backend Developer (AI-Assisted Development)

Work Arrangement Employment Type: Full-Time Location: Remote Schedule: Full-Time with required overlap with US business hours Time Zone Requirement: Pacific Time overlap required About the Role Our Client is looking for a Senior PHP Backend Developer to join our Engineering team full-time and take ownership of our lead-capture ecosystem.

You’ll build, improve, and maintain interactive multi-step form funnels that capture and route consumer leads, integrate with third-party APIs, and support analytics that drive conversion and revenue performance.

This is an AI-native engineering environment where development productivity is amplified through AI-assisted coding tools. Success in this role requires strong technical ownership, sound engineering judgment, and comfort working across existing production systems.

What You’ll Do Build, modify, and maintain multi-step lead-capture flows and web experiences Develop backend functionality using PHP and MySQL Integrate and troubleshoot third-party APIs Create and maintain logging, reporting, and analytics solutions Improve conversion performance through iteration and optimization Write maintainable, reusable, and production-safe code Work within existing systems and improve legacy implementations where needed Collaborate asynchronously with the engineering team and communicate progress clearly Required Qualifications 5+ years of full-time professional PHP development experience working on a team Hands-on experience using AI coding tools in production environments (Claude Code preferred; experience with Cursor, GitHub Copilot, Windsurf, or similar AI-assisted development tools accepted) Intermediate to Advanced MySQL experience including: Schema design Query writing and optimization Safely updating production data Intermediate to Advanced JavaScript skills: Strong vanilla JavaScript DOM manipulation Events Fetch / async operations JSON handling Intermediate to Advanced CSS skills: Responsive and mobile-first development Cross-bro