Paris System

Paris System is a management app for a formalwear-rental store. The client needed to leave spreadsheets behind and run inventory, contracts, payments and scheduling in one system.

• Modular FastAPI backend with SQLAlchemy, Alembic, Pydantic, JWT, RBAC and auditing.
• React/Vite frontend with protected routes and screens wired to the real API.
• Customers, inventory, contracts, charges, signatures and photos, payments, receivables, schedule, reports and direct sales.
• Shipped as a single Windows .exe: FastAPI starts in the background, waits for the healthcheck and opens a PyWebView window.
• Backend tests, lint and frontend build passing.

It is a good example of a complete product: data model, permissions, auditing, UI and packaging for a user who is never going to open a terminal.