TypeScript React/Next.js Web App Development

I'm looking for an experienced TypeScript and React/Next.js developer to build a new web application. This application will include essential features such as user authentication, real-time updates, and a responsive design.

Key requirements:
- User Authentication: Secure login/logout, user registration, and profile management.
- Real-Time Updates: Implement features like live notifications or dynamic content updates.
- Responsive Design: Ensure the app is mobile and tablet-friendly.

Ideal Skills and Experience:
- Proficiency in React and TypeScript.
- Strong background in building secure authentication systems.
- Experience with WebSocket or similar technologies for real-time data.
- Expertise in responsive web design using frameworks like Bootstrap or Material-UI.

Please provide examples of previous work and an estimated timeline for project completion. Looking forward to your proposals!