Homepage UX Enhancement

I'm looking for a skilled web developer to implement several changes on my website aimed at increasing customer engagement.

Key requirements include:
- Lock the top menu so that it remains in view while scrolling.
- Fix the Google Reviews badge on the home page to ensure it is securely in place.
- Change the contact form color on the home page to a brighter color for better visibility.
- Review and streamline the "Contact Us" process on the website.
- Integrate either Messenger or WhatsApp chat feature on the home page.
- Provide any additional UX improvements to the home page.

These changes should be optimized for both desktop and mobile devices.

The ideal freelancer will have:
- Proven experience in web development and UX design.
- Strong understanding of customer engagement strategies.
- Ability to implement responsive design across multiple devices.
- Excellent communication skills for collaboration and feedback.
- A portfolio showcasing similar projects.

Please include your past experience and approach to this project in your bids.