React Native and Expo-based interface development, screen composition, navigation flow, and responsive mobile polish.
Case studies
Mobile Commerce Case Study
Cinerific
Flagship full stack mobile commerce app
Cinerific is a mobile commerce project focused on polished ordering flows, secure payment handling, transactional confirmations, and release-ready Android delivery.
35 commitsFull stack ordering, payment, QA, and release work.
Overview
Overview
Cinerific was built as a full stack mobile ordering experience where the product quality had to hold up across interface design, payment handling, confirmation flows, and Android release preparation.
My role covered the app experience end to end: mobile UI implementation, front-end architecture, backend-connected purchase flows, transactional messaging, emulator and device QA, and release-focused iteration.
Scope
Scope and Ownership
Node.js serverless routes and application logic supporting checkout-related flows and environment-aware deployment behavior.
Stripe integration for secure payment handling and purchase confirmation paths.
Postmark-powered confirmation and transactional email workflow support.
Android emulator testing across multiple device classes, EAS build preparation, and Play Store readiness work.
Product
Core Features
Structured item presentation and flow into selection and ordering.
A purchase path designed around clarity, payment readiness, and reduced friction.
User-facing confirmation moments tied to real transaction outcomes.
Post-purchase messaging that extends the product beyond the in-app flow.
Careful attention to layout behavior across Android device sizes and testing environments.
Implementation shaped by what was needed to move toward production-ready Android delivery.
Product Flow
Product Flow
LaunchBrowseCartDetailsPaymentConfirmation
Flow System
The ordering path was built as a connected sequence, from first impression to product selection, cart review, checkout details, payment, and confirmation.
Android Small and Large captures show how the same purchase flow holds across device classes, from browsing to payment.
Stage 02
Browse
The browsing surfaces keep the brand, product catalog, company story, inquiry path, and shop entry consistent across Android Small and Large.
Home Screen
Products Screen
Stage 03
Cart
Cart states were treated as part of the purchase path, with empty and filled moments both needing clear feedback.
Empty Cart Overlay
Filled Cart Overlay
Stage 04
Customer Details
Checkout details break the purchase path into focused, readable steps instead of one overloaded form.
Address Input Overlay
Time and Date Overlay
Stage 05
Payment
Payment screens keep the final handoff explicit so users can review the moment and complete checkout with confidence.
Payment Method Overlay
Payment Input Prompt
Stage 06
Confirmation
The final state closes the loop with a clear success moment tied to the real checkout outcome.
Order Confirmation Overlay
Order Placed Prompt
Architecture
Technical Architecture
01React Native / Expo app
Mobile UI, screen flow, and ordering experience.
02Serverless backend routes
Node.js logic for payment-connected and environment-aware flows.
03Stripe
Secure payment handling and transaction outcome coordination.
04Postmark
Transactional confirmation messaging after purchase events.
05Android QA / EAS builds
Device testing, build preparation, and Play Store readiness work.
The project was implemented as a mobile-first client experience backed by server-side logic for payment-connected flows and transactional messaging. The architecture balanced front-end polish with practical production concerns such as payment reliability, environment setup, testing coverage, and release preparation.
Engineering
Engineering Decisions
Integrating checkout in a way that felt seamless in the mobile UI while staying aligned with secure server-side handling. The flow needed to keep users oriented without exposing implementation complexity.
Verifying the experience across Android emulator sizes and release-oriented testing conditions. Layout decisions were checked against practical device behavior, not just a single ideal preview.
Making the transition from browsing to checkout to confirmation feel coherent and trustworthy for the user. The app experience needed clear states before, during, and after payment.
Release
Testing and Release Readiness
Cinerific was not treated as a static concept piece. The work included Android-focused QA, iteration across multiple emulator sizes, and build preparation aimed at real release conditions.
Android small / standard / large emulator QAEAS build preparationPayment flow verificationPost-purchase confirmation coveragePlay Store preparation
Timeline
Build Timeline
Responsive Prototype to Mobile Architecture
The project moved from an interface direction into a React Native and Expo Router structure built for real mobile ordering paths.
Secure Stripe Flow, Google Pay / PayPal Considerations, and Postmark Confirmations
Checkout work centered on payment readiness, server-side coordination, and confirmation messaging beyond the in-app screen.
Android QA and Release-Ready EAS Build Preparation
Testing and build work focused on Android device classes, release behavior, and the practical path toward Play Store preparation.
Stack
Stack
Frontend
React NativeExpoExpo Router
Web / Supporting Stack
Next.jsTailwind CSS
Backend
Node.jsVercel serverless routes
Integrations
StripePostmark
Release / QA
Android StudioEAS
Proof
Build Proof
35 commitsFull stack mobile implementationPayment integrationAndroid QA and release prepTransactional messaging support
Full stack mobile work
Interested in this kind of build?
This project reflects the kind of work I want to keep doing: polished mobile interfaces, real backend-connected flows, careful release prep, and product decisions that hold up outside of mockups.