Ready to build the web portal for company "X", a full stack web dev is all I need.

This SaaS web portal idea aims to enhance the data transfer and handling for company "X" and its numerous affiliates.
It will manage the data transfer processes from company "X" to its affiliates, multiplex the data to the affiliates' employees among other capabilities. It addresses 99.99% of the affiliates' pain points.
For monetization, the affiliates are required to subscribe to a freemium package for the basic features or upgrade to a monthly premium membership for the advanced functionality.
I'm in dire need of someone to build and manage server and database functionality and a web designer for the architectural design to implement this.
If we accomplish this successfully, I'm ready to share the equity of the company or the proceeds upon a successful exit.