Payment Systems & FinTech
Secure transaction flows, ISO8583 message handling, TSM architectures, device integrations, and payment infrastructure for systems where reliability and auditability matter.
Retail automation, payment systems, and enterprise software
Engineering dependable commerce platforms for modern retailers.
Mousavi.Tech designs and builds self-hosted, offline-capable POS, backend, payment, and integration systems centered around the SaleFlex ecosystem.
Who we are
A focused software studio for commerce infrastructure.
Founded by Ferhat Mousavi, Mousavi.Tech brings experience in payment infrastructure, high-scale backend systems, microservices, fintech integrations, POS/ERP platforms, and real-time software architecture.
We help businesses replace fragile retail workflows with reliable, extensible systems that can be owned, customized, integrated, and scaled.
Engineering capabilities
Deep technical experience beyond the SaleFlex retail platform.
SaleFlex represents our retail automation focus. Around that core, Mousavi.Tech also brings specialized engineering capability in payments, game technology, and scalable software architecture.
Retail Automation
POS terminals, multi-store operations, ERP connectivity, inventory workflows, and cloud-ready retail platforms delivered through the SaleFlex ecosystem.
Game Development
Unreal Engine-based game systems, online architecture, multiplayer foundations, gameplay tooling, and custom plugins for interactive digital products.
Modern Software Architecture
Microservices, distributed backends, cloud infrastructure, integration-heavy platforms, and high-security environments designed for maintainability and scale.
SaleFlex ecosystem
Open, modular retail technology from POS terminal to central gateway.
SaleFlex combines POS terminals, Android mobile workflows, and a Django-powered backend hub for retailers, restaurants, integrators, and technical teams that need control without vendor lock-in.
SaleFlex.PyPOS
A Python and PySide6 point-of-sale terminal for touch-screen hardware, cashier workflows, payments, closures, inventory, campaigns, and customer loyalty.
- Offline-first sales and payment operations
- Multi-payment, split tender, and closure flows
- Inventory, loyalty, campaigns, and role-based access
SaleFlex.mPOS
A Jetpack Compose Android POS companion for tablets and Android POS hardware, designed for mobile sales, restaurants, and store-floor operations.
- Touch-optimized Android tablet experience
- Local Room database and offline sync queue
- SaleFlex.OFFICE integration foundation
SaleFlex.GATE
A Django-powered central gateway that connects stores, POS terminals, kitchen displays, mobile apps, and external systems through a unified platform.
- Multi-company, multi-store, multi-terminal model
- REST API for POS, kitchen, and mobile clients
- ERP, loyalty, payment, and adapter gateway
What we deliver
Commercial services around open-source foundations.
Custom Development
Tailored features, workflows, modules, reports, and business rules built around your operational model.
Implementation & Onboarding
Hands-on setup, environment configuration, hardware planning, staff training, and rollout support.
System Integrations
ERP, accounting, e-invoice, loyalty, payment, fiscal printer, and third-party service integrations.
Priority Support
Dedicated technical assistance for production deployments, incident handling, upgrades, and maintenance.
How we work
Practical engineering with a clear path from discovery to production.
We keep architecture grounded in real business constraints: uptime, offline continuity, integration quality, hardware realities, data ownership, and maintainability.
01
Assess
Map current workflows, devices, data flows, integrations, and operational risks.
02
Design
Define the SaleFlex modules, custom extensions, deployment model, and integration contracts.
03
Implement
Build, integrate, test, and prepare the system for store-level or multi-store rollout.
04
Operate
Support production, improve reporting, automate sync flows, and evolve the platform over time.
Contact
Tell us what you want to build or modernize.
Share your store model, current systems, hardware, integration needs, and rollout expectations. We will get back to you with the most practical next step.
info@mousavi.tech