Google Adsense Integration on Core PHP Site

I'm looking for someone with skills and experience in integrating Google Adsense on a Core PHP platform. I've been approved for Google Adsense already and plan to have it implemented on the header and within the blog articles sections of my site.

Key tasks:
- Assess the website layout and propose the optimal ad placement
- Integrate Google Adsense on the header
- Integrate Google Adsense within blog articles

Ideal candidate should have:
- Expertise in working with core PHP
- Proven experience in Google Adsense integration
- Solid understanding of aesthetic & effective ad placement
- Strong attention to detail to avoid any disruption to the existing website design and user experience.