JCity is a property management platform built for a single residential development, focused heavily on IPKL billing automation, notification workflows, and resident payment tracking.
Designing for Billing Precision
Unlike broader residential platforms, JCity centered around:
IPKL recurring billing
Discount & penalty logic
Payment status notifications
Multi-cycle reminder triggers
Admin billing adjustments
Role-based resident access
The challenge was building a clear billing interface that minimized confusion around recurring charges.
Structured Payment Visibility
As a Product Design, i structured
Transparent billing breakdown
Clear “Due / Paid / Overdue” indicators
Progressive reminder notifications
Resident payment confirmation states
System Level Thinking
JCity required alignment between:
Resident financial clarity
Administrative billing control
Recurring automation
Penalty & discount rules
The platform emphasized precision and predictability in financial communication.
Impact
Improved transparency in recurring billing
Strengthened notification clarity
Reduced ambiguity around IPKL cycles
Established structured billing hierarchy
Enhanced coordination between design and backend logic
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© 2026 Evan Himawan Saragih
Product and UI/UX Designer