With my 10 years of experience, I have encountered and conquered numerous challenges akin to yours. I am a seasoned WordPress developer with a penchant for website optimization and maintenance, making me an ideal fit for your project. My expertise in image compression techniques is extensive, and through them, I can reduce your site's weight without compromising photo quality, giving you the acceptable file size range of 5GB - 20GB.
Besides having a deep understanding of HTML, CSS, and PHP, I am also well-versed in various web design themes like Avada, Divi and web development tools like Elementor and Bootstrap Framework which could be beneficial for this task. What sets me apart is my thorough approach to work - leaving no stone unturned and ensuring each step maintains the integrity of your site. Given the scale of your website with over 100k photos, this attention to detail will be crucial to avoid any loss or compromise.
To conclude, choosing me means not only gaining a qualified professional who can seamlessly handle the dimension of your project but also availing quality service at commendable rates. Let me bring my expertise to the table and compress not just the images but the stress that accompanies large file sizes on your WordPress site!