PHP Website Upgrade & Performance Improvement

I'm in need of a skilled PHP developer to upgrade and optimize my website. Currently, I'm facing issues such as white screens on page loads and slow loading times. Below are the specifics of the job:

- **Upgrade PHP Version:** I'm currently running an older PHP version. The candidate should upgrade the website to a more recent PHP version to ensure its compatibility with modern standards.

- **Performance Optimization:** The website is also suffering from slow loading times. The selected developer should identify the root cause of the issue and optimize the website's performance to ensure faster loading times.

- **Experience with AWS:** The website is hosted on AWS. It's important that the freelancer has experience with this hosting platform to ensure a smooth transition and deployment.

Ideal skills and experience for this project would include:
- Strong PHP development background
- Experience with upgrading PHP versions
- Proficiency in performance optimization
- Familiarity with AWS hosting
- Good troubleshooting and problem-solving skills.