A cashier-facing POS app for assisted checkout with QR, NFC, and palm-vein identification, payment processing, receipts, and transaction management.
We partnered with AmenPay to build a cashier-facing POS payment system for assisted checkout with QR, NFC, and palm-vein identification.
The result is a unified POS platform that speeds repeat checkout, supports bilingual operations, and keeps biometric hardware responsibilities cleanly separated.
Cashiers were limited to one identification path, slowing assisted payments when QR, cards, or biometrics were unavailable.
Palm capture tied directly into the POS UI risked unstable hardware ownership and harder support at the terminal.
Without session-based enrollment, linking palm or NFC identity to the correct payment method was error-prone.
Delivered QR, NFC, and palm-vein identification in one cashier workflow for enrollment and payment collection.
Isolated palm SDK and scanner ownership in a local matcher service, returning a stable palm_id to the cashier app.
Built backend-owned palm and NFC enrollment sessions so cashiers claim, capture, and finalize links safely.
POS operations mapping, identity method design, and hardware/API architecture.
Cashier app, payment flows, enrollment, receipts, and Laravel backend integrations.
Device readiness checks, bilingual QA, staged POS rollout, and go-live.
"AmenPay Cashier gave our cashiers one POS for QR, NFC, and palm payments — enrollment is cleaner and repeat checkout is noticeably faster."
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