The context
What did the system need?
The platform required dependable admin views and features around tenants, schedules, reminders, and payments.
My role and the decision
Work included tenant/admin listings, payment schedule generation, WhatsApp reminders, token controls, and rate limiting within a live system.
✓Tenant and admin workflows
✓Payment schedules
✓WhatsApp reminders
✓Authentication controls
Transparency note
No confidential client data or unverified business metrics are shown. The focus is delivered scope and explainable engineering decisions.