SharePoint Member Portal Setup

I'm looking for a skilled SharePoint expert to establish a robust and user-friendly member portal. The portal should cater to a variety of user roles and facilitate seamless communication and document sharing among members.

Key Features:
- seamless registration and login process for members.
- Document Sharing and Collaboration (upload, share and collaborate on documents).
- interactive discussion forum to facilitate member interaction.

User Roles:
I'm aiming for a four-tiered user role system in the portal:
- Admin: To manage the portal and its features.
- Member: Regular users who are part of the community.
- Guest: Limited access users.
- Moderator: Users who have extra privileges to monitor and regulate discussions.

The portal integrate with our CRM system (yet to be chosen) so that portal access is enabled/disabled according to the status of the membership.

The ideal candidate for this project should have:
- Profound experience with SharePoint and its features.
- A strong understanding of user role management and permission settings.
- Previous experience in setting up member portals with similar features.
- Ability to integrate with & 3rd-party CRM.

If you think you're the right fit for this project, please reach out with relevant experience and hourly rate.