We are looking to have a backend system from where we can create our clients and those clients should be able to add users to their accounts.
From the master admin we should be able to view all our clients and users created by them with full rights to add, edit and delete.
Also we need is a login page from where users can login. We would also need APIs for user login authorization to use in our other applications.
UI: We will provide you theme which you can customize it
We will share more details with short listed developer.