Roysen Dev
Digital systems that power real businesses
POS platforms, inventory networks, mobile apps, and automation — built for how companies actually operate.
About
I am a full-stack software developer specializing in practical business solutions across mobile, web, desktop, APIs, and database architecture.
I turn manual processes into reliable digital systems.
Core Expertise
Backend Development
Mobile Development
Desktop Applications
Database Systems
Featured Projects
Complete business systems — each one solves a real operational problem.
ZiPOS — Complete Retail Management Platform
Android POS, desktop POS, web portal, inventory, and fiscal integrations in one ecosystem.
- Sales processing & offline transactions
- Barcode scanning & receipt printing
- Stock & customer management
- Multi-payment & ZIMRA fiscal integration
Supplier Stock Visibility Platform
Cloud stock monitoring connecting suppliers with customers and multiple branches.
- Supplier dashboard & customer branches
- Stock allocation & sales sync
- Real-time reporting
Coffee Shop & Restaurant Management
Multi-branch hospitality platform for inventory, sales, and operations.
- Branch & menu management
- Restaurant POS & kitchen workflow
- Stock transfers & sales analytics
Bus Ticketing Platform
Digital ticketing for bus operators with mobile booking and management tools.
- Passenger booking & seat management
- Digital tickets & QR validation
- Payment integration
Solutions I Build
Organized by business problem — so you can see the kinds of systems I deliver.
Retail Solutions
ZiPOS, stock sync, supplier visibility, offline sales, and ZIMRA fiscal compliance.
Hospitality Solutions
Coffee shop and restaurant platforms with menus, kitchen flow, and multi-branch stock.
Transportation Solutions
Bus ticketing with mobile booking, seat management, and QR boarding validation.
Custom Integrations
Windows sync services, REST APIs, SQL Server ↔ PostgreSQL, payments, and hardware.
System Architecture
End-to-end systems that connect devices, APIs, services, and data.