Countdown Timer and Activity Tracker

We're seeking a web developer to create a secure, user-friendly web application. The front end code will be provided. The application will have the following features:

User Authentication:

- Sign up with name and email only (no password)
- Login via email link
- Secure session management


Item Creation and Management:

- Form to create new items
- Each item generates a unique, shareable link


Item Functionality:

- Countdown timer for each item
- Activity log
- Pause/resume timer functionality
- Log reasons for pauses in activity log


Sharing and Access Control:

- Share item links with others
- New users must create an account to view shared items


User Dashboard:

- Display all items associated with the user
- For owned items: Edit option Copy link option
- For invited items: View-only access


Security and Privacy:

- Implement proper data encryption
- Use secure protocols for all data transmission


Technical Requirements:

Frontend: HTML5, CSS3, JavaScript (React or Vue.js preferred)
Backend: Node.js with Express.js
Database: MongoDB or PostgreSQL
Authentication: JWT or similar token-based system
Hosting: AWS, Google Cloud, or similar cloud platform

Deposit: £75.