Schedule Management Web App (SaaS)

We are looking to build a web app for schedule management that uses Spire as a backend. This web app shall be made available to customers by subscription.

The core features of the application are:
1) Login
2) Main Menu
3) Schedule Board - Pull Booked/Open Orders from Spire, assign person/time, display the information clearly
-Order Tracking
--(Booked) Open Order
----Assign Technician
----Drag and Drop onto Schedule
---Scheduled Orders
----Display Order Status
---Drag out (goes back to Booked/Open Order)
---Conditional Search / Filter - ex. Order No. is between 1 and 15
-Order Details
--Edit / Push changes to Spire
-Edit Order Status
-Calendar
-Technicians
--Technician Details/Info
--Technician Statistics
--Technician Status (different from Order Status)
-Group orders/Auto Dispatch

4) Work Order Screen - Searching for Work Orders already in System
-Global Search
--Table with Attributes
--Sort
--Filter (Conditional Search)
--Show Order details (multiple at once is possible)
--Adjustable UI
5) Settings
-Permission Levels - different users have different permissions
-Adjust app terminology for different industries
6) Integrate with Spire
7) Integrate with a marketing site that will allow users to subscribe to Schedule Pro and access the app
8) Admin Portal
-Dashboard
-Manage Users
-Manage Subscription Tiers

We are looking for a long term working relationship with the right freelancer; there will be additional phases and mobile app projects in the future.

To be considered, include in your bid your proposed tech stack (and previous work on similar projects if applicable). We will reach out to you and provide additional information to promising candidates.