Multi-Platform User Authentication Plugin

I need a versatile user signup and authentication plugin compatible with WordPress, Shopify, and Joomla. The plugin should support:

- Email and password signup
- Social media login via Facebook and Google
- Two-factor authentication for added security

Ideal skills and experience:

- Proficiency in WordPress, Shopify, and Joomla development
- Experience with social media APIs, particularly Facebook and Google
- Strong knowledge of security protocols and two-factor authentication implementation
- Previous work with user authentication systems

Please provide examples of similar projects you've completed.