Interflext (PVT) Ltd
HowToPay
A production digital wallet built for secure online payments, real-time transaction visibility, and cross-platform delivery.
HowToPay is a production digital wallet focused on speed, trust, and dependable online payment experiences for real users at scale.
My work covered wallet features, secure payment flows, real-time transaction updates, and the migration of a legacy Android application into a unified Flutter codebase.
My Role
Flutter engineer across wallet delivery, secure payment flows, and migration work.
wallet users served
10K+
transaction experience
Real-time
migration target platform
Flutter
Gallery
6 screenshotsMy Contributions
- Built core wallet features for a product serving 10K+ users.
- Built secure payment flows and real-time transaction experiences.
- Integrated Firebase-backed capabilities for scalable backend operations.
- Migrated the legacy Android Java application into Flutter to unify the codebase.
Key Features
- Secure online wallet payments
- Real-time transaction visibility
- Cross-platform Flutter migration
- Production-ready fintech UX
Tech Stack
Related Work
View all projectsProfessional
HowToPay POS
A multi-platform POS platform for restaurants, retail stores, and business operations, built to support real daily store workflows across Android, Windows, and Apple devices.
Professional
SchedulerDesk
A scheduling platform for salon businesses spanning 2 mobile apps and 3 web portals, focused on bookings, coordination, and daily operations.
Professional
ChatHTP
A communication app focused on messaging, voice, media sharing, and staying connected through a simple mobile experience.