Tenant and unit management
The administrative interface organizes tenant and unit records, occupancy, and related account information. The walkthrough shows the management screens used to find a unit and review its records.
Custom business application · Project demonstration
Celestra
Celestra is a building management application covering tenant and unit records, utility metering, billing, and financial reporting, with separate interfaces for administrators and residents.
- Application
- Building management and billing
- Project status
- Application demonstration Screens and recordings use sample data.
- Implementation
- Next.js · React · TypeScript · Django REST Framework · PostgreSQL
Product walkthrough
Watch Celestra BMS in use.
A 5-minute walkthrough of the administrative and tenant interfaces. This recording has on-screen descriptions and no audio.
What to look for
- Administrative dashboard and building records
- Unit management, billing, and arrears screens
- Cash-flow reporting and period filters
- Tenant electricity-consumption and billing views
The application
Building administration and tenant billing in one system.
Celestra brings tenant records, units, utility consumption, billing, and financial reporting into a building management application. Its interface separates administrative work from the information tenants need to view.
Business workflows
What the application covers.
The screens and walkthrough below show the interface. The implementation details describe the corresponding application modules.
Meter readings and utility billing
Electricity and water are separate business modules. The backend contains meter tracking and billing calculations; the frontend presents consumption, bills, and billing records in dedicated views.
Financial reporting
The application includes billing and financial reporting interfaces. The recording demonstrates arrears, cash flow, and report filters, while the API keeps financial reporting separate from the tenant and meter modules.
A tenant-facing interface
The walkthrough also switches to the tenant view, where a resident can inspect electricity consumption and related bills. Administrative and resident tasks have different navigation and screen layouts.
Inside the application
Explore the screens.
Choose a view, then open it at a larger size. These are actual project screenshots with demonstration data.
Technical structure
How the application is organized.
The Next.js frontend provides the administrative and tenant interfaces. A separate Django API organizes the business logic into billing, tenants, meters, electricity, water, and cash-flow modules. PostgreSQL stores application data. The backend includes JWT authentication and interactive API documentation.
A production engagement defines the organization’s data, roles, integrations, hosting, acceptance tests, and support coverage. The demonstration provides a concrete starting point for that discussion.
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