Credit Management System Development -- 2

I'm seeking an experienced full-stack developer to build a comprehensive credit management system for store-based deferred payments.

Key Requirements:
- Backend:
- FastAPI with PostgreSQL
- Secure authentication
- API endpoints for:
- Managing store owners, customers, and purchases
- Monthly debt cycles
- Dispute handling
- Monthly billing lock mechanism
- Cross-store customer lookup using shared identifiers (phone/ID)

- Frontend:
- React.js web dashboard for store users to manage customers and credit records
- React Native mobile app for consumers to view debts and submit disputes
- Admin panel for:
- User and role management
- System monitoring and reporting
- Configuration and settings

- Bilingual (Arabic & English)
- Cloud-deployable
- Modular for future enhancements (e.g., SMS, caching, payment integrations)

Ideal Skills & Experience:
- Proficiency in FastAPI, PostgreSQL, React.js, and React Native
- Experience with bilingual applications
- Strong understanding of secure authentication and API development
- Prior experience on modular and cloud-deployable systems

Please provide examples of similar work done in your bid.