Developed a multi-tenant inventory and billing application for small manufacturing businesses

Implemented role-based access control (RBAC) with Super Admin and Company-level permissions

Built core modules: Inventory, Client, Invoice, Expense, and Collection

Added Supplier, Purchase, and Production (BOM) modules for manufacturing workflow

Enabled raw material to finished goods tracking with automatic stock updates

Designed dashboard with real-time business insights (clients, invoices, expenses)

Used NestJS, Prisma, PostgreSQL (backend) and Flutter (frontend)

Implemented features like JWT authentication, PDF invoices, and Excel export