React Web App Developer Needed

I'm looking for a skilled developer who can handle both front-end and back-end tasks for a web application.

Key Requirements:
- Build the front-end using React.
- Implement back-end functionalities:
- User authentication
- Database integration
- API development
- Good design sense to create a user-friendly and visually appealing interface.

Ideal skills and experience:
- Proficiency in React and backend technologies
- Experience with user authentication and database integration
- Strong API development skills
- Good eye for design and user experience

Please provide examples of similar projects you've completed.