PHP App Customization -- 2

I need a PHP application purchased from CodeCanyon customized with several additional functions.

Key Tasks:
- Add a WordPress Plugin & Version Scanner with:
- Vulnerability alerts
- Detailed version reports
- Other functions to be added:
- Manager Approval Workflow
- Heatmap (click tracking + dashboard visualizer)
- AI Ranking & Trend Engine
- Advanced Security Log + Alert Enhancements

Ideal Skills & Experience:
- Proficient in PHP and WordPress development
- Experience with security plugins and version control
- Strong understanding of data reporting and visualization tools
- Ability to integrate complex workflows without disrupting existing features

Please provide examples of similar work done and an estimated timeline.