01
Three Dedicated App Workflows
Created tailored Flutter apps for Members, Partners, and Salespersons, sharing a clean component library across all three.
./Mobile & Web Ecosystem/Full-Stack & Mobile Lead
A digital coupon platform connecting local stores and members.
Magic Swap gives retail partners an easy way to verify customer discounts using QR codes while members access exclusive local offers.
- My Role
- Full-Stack Lead & Mobile Architect
- Focus
- Multi-role architecture, payment gateways & QR redemption
- Project Type
- Consumer Mobile & Merchant Platform
- Timeline
- Complete Product Lifecycle
App Roles Supported
3 Roles
Payment Success Rate
99.4%
QR Validation Speed
<1.2s
Cross-Platform Coverage
iOS + Android + Web
[01] The Challenge
Operational bottlenecks & constraints.
Building three separate app experiences without duplicating shared code and API communication logic.
Making QR code scanning fast and foolproof during busy retail store hours.
Handling instant SMS verification and payment gateway callbacks reliably.
[02] Engineering Contribution
Key architectural breakthroughs delivered.
02
Fast QR Code Scanning
Integrated a camera QR scanner that verifies customer membership validity in less than a second.
03
Payment Gateway Setup
Added Razorpay checkout so members can purchase membership plans directly through UPI, cards, and net banking.
04
Push Notifications via Firebase
Set up Firebase Cloud Messaging (FCM) to send notifications whenever stores publish new offers or flash discounts.
[04] Systems Architecture
Data flow & service topology.
01.Flutter cross-platform codebase targeting Android & iOS
02.PHP RESTful API backend handling transactional business logic
03.Firebase Cloud Messaging (FCM) for targeted category broadcasts
04.Razorpay payment SDK for secure credit/UPI membership purchases
05.Camera-based QR scanner with tamper-resistant validation algorithms
[05] Delivered Artifacts
- Magic Swap Member Android & iOS Mobile Applications
- Magic Swap Vendor & Salesperson Management Applications
- Web administration dashboard with analytics and offer moderation
- End-to-end Razorpay checkout and SMS verification flows
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