WordPress Site Optimization

I'm seeking an experienced WordPress developer to optimize my existing site hosted on Hostinger.

Key tasks include:
- Improve the user interface, focusing on page layout.
- Reorganize content sections and add new widgets or features for enhanced usability.
- Set up password protection on some pages.
- Optimize the shop section.
- Implement a weekly newsletter.

Ideal Skills and Experience:
- Strong proficiency in WordPress and website optimization.
- Expertise in UI/UX design.
- Familiarity with e-commerce functionalities on WordPress.
- Experience in setting up and managing newsletters.

Please provide a portfolio with relevant projects.