React SPA Dashboard Development

I need a skilled React developer to create a Single Page Application (SPA) for a Dashboard/Analytics tool.

Essential features include:
- Data visualization (charts, graphs)
- User authentication
- Real-time updates

Ideal Skills:
- Proficiency in React
- Experience with data visualization libraries (e.g., D3.js, Chart.js)
- Strong background in authentication mechanisms (OAuth, JWT)
- Knowledge of WebSocket or similar for real-time data

Please provide examples of previous work in your bids.