Senior React Developer Needed

I'm seeking a senior React developer to assist with a web application project.

Key Responsibilities:
- Implement user authentication
- Develop data visualization components
- Set up real-time updates

Ideal Skills and Experience:
- Expertise in React and web development
- Strong background in user authentication systems
- Experience with data visualization libraries (e.g., D3.js, Chart.js)
- Proficient in WebSocket or similar technologies for real-time data

Please provide examples of similar projects you've completed and your preferred working methodology.