Full-Stack Website Development

I'm looking for an experienced developer to create a full-stack website. The site should be designed to share information or updates, and will require user registration and login functionalities. Additionally, the site should incorporate some form of algorithmic logic.

Key Requirements:
- Front-end and back-end development
- User registration and login functionality
- Algorithmic logic implementation
- Responsive design
- Secure data handling

Ideal Skills and Experience:
- Proficiency in front-end and back-end technologies (e.g., HTML, CSS, JavaScript, Python, Node.js)
- Experience with database management and server-side logic
- Strong understanding of security protocols
- Ability to implement algorithms and logic-based functionalities
- Prior experience in developing information-sharing platforms

Please provide examples of similar work done and an estimated timeframe for completion.