Custom Event & Marketing Dashboard

We're looking for a skilled freelance developer/programmer for a one-off project to create a visual event and marketing dashboard for our company.

This dashboard will serve as a central planning tool by pulling real-time data from HubSpot, Xero, and our HubSpot-hosted landing pages/website. It should present a clear, interactive view of our event pipeline, speaker progress, delegate numbers, revenue tracking, and marketing activity over the next 9 months.

Key Features Required:

Event Dashboard
Display all upcoming events over the next 9 months
For each event:
Number of confirmed speakers
Number of speaker invitations sent
Number of follow-ups required
Total number of registered delegates (conference + workshops)

Revenue per event (paid vs outstanding)
Finance Summary (via Xero API)
Month-to-Date (MTD) and Year-to-Date (YTD) revenue
Match revenue to events and ticket types
Highlight any outstanding payments

Marketing Dashboard
A visual calendar view showing scheduled and completed marketing activity:
EDMs
Social posts
External marketing campaigns (paid media, ads)
Meetings with partners or sponsors
Marketing dashboard can pull data from air table

Tech Requirements:
Experience with HubSpot API
Experience with Xero API
Ability to build a web-based dashboard (React, Vue, Node.js, or similar)
Clean, user-friendly UI
Secure login or access management
Deliverables:

Fully functional dashboard hosted on our preferred platform (or as a web app we can deploy internally)
Codebase and documentation for future maintenance
Support during testing and implementation