E-Store Enhancement for "Journey Through The Clouds"

I'm seeking a skilled web developer to enhance my existing website, Journey Through The Clouds. The aim is to improve the e-store, user engagement features, and overall design to promote and sell the children's book effectively.

Key Focus Areas:
- E-Store Improvements: Optimize product listing and checkout process to boost sales and enhance user experience.
- Contact Form Functionality: Ensure it facilitates better customer communication.
- Secure Payment Gateway Integration: For seamless and safe transactions.
- Newsletter Signup Implementation: To help build an audience and engage customers.

Additional Requirements:
At the bottom of the website's main page, include the following (content to be provided by me):
- Privacy Policy
- Refund Policy
- Shipping & Delivery Policy
- FAQ Page
- Terms & Conditions

The ideal freelancer for this project should:
- Be able to enhance the existing e-store to improve user experience and increase book sales.
- Design a child-friendly, visually appealing, and intuitive website.
- Implement user engagement features like the Contact Form, Newsletter Signup, and Secure Checkout effectively.

Please note, I want specific improvements in the e-store like:
- Enhanced product listing and presentation
- Streamlined cart and checkout process
- Improved search functionality

In terms of the cart and checkout process, I need:
- Simplified steps
- A guest checkout option
- Auto-filled form fields for convenience.

Experience in e-commerce website development, particularly for children's products, will be highly advantageous.