Liferay Demo prepration Development

I'm looking for an experienced Liferay developer to prepare a demo based on the requirements below.

Essential Requirements:
- User Management:
- User roles and permissions setup
- User authentication mechanism
- User activity tracking features

- Content Management:
- System should manage:
- Documents and media
- Blogs and articles
- User-generated content

- Integration Capabilities:
- Need to integrate with other existing systems

Ideal Skills and Experience:
- Strong knowledge of Liferay platform
- Experience in setting up user management and content management systems
- Proficient in system integration
- Ability to create a functional and user-friendly demo environment

Please include any relevant past experience in your bids.