Customer Portal and Workflow Development

I'm looking for a comprehensive system that integrates several components, including contact detail collection, installation milestones, and a customer portal.

Key Requirements:
- Contact Details: Collect email address, phone number, and mailing address.
- Installation Milestones: Track progress through stages such as Deposit Paid, Lines Co Application, Lines Co Approval, Product Ordered, Product Delivered, Installation Booked, CoC, ROI, and potentially adding more.
- Customer Portal Functionality:
- View order status
- Update contact details
- Upload/download documents
- View milestones

Ideal Skills and Experience:
- Experience in developing customer portals
- Familiarity with workflow automation
- Strong background in UI/UX design for user-friendly interfaces
- Ability to integrate various data points and systems

Looking forward to your bids!