User registration and account management -- ongoing project

We are working on a project to build a Gmail styled inbox, this is an ongoing project that will have many milestone and other jobs for potential freelancers. We use Java Tapestry, Aws DynamoDB, Aws SES and build using gradle, all via GitHub. This milestones will be part of the project. 1. A sign-up page where a user will be asked to select a subscription package. 2. Once selected, the user must enter their details, First Name, Last Name, Company and Email. 3. A CorrespondenceService is required to send the user an email confirmation using a HTML email template (The CorrespondenseService must also be used for other emails later) 4. Once the user confirms their email, a new account will be created for them, with them as the account owner and admin user 5. In the account, the admin user will be able to add employees and disable (not delete) - employee data includes Employee No. (optional), First Name, Last Name and Email. Employees are different to users and will not have a login. Note: Some customers have 7000+ employees so must allow for searching and pagination of employee list. 5. Admin users can add other admin users, invite email sent via CorrespondenseService who must confirm their email and create a new password when logged in. 6. Users must be able to Reset their passwords when logged in and reset when logged out via Forgot Email link using reset email via CorrespondenseService