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A multi-tenant SaaS invoice management platform engineered with Next.js, Prisma ORM, and PostgreSQL. Features a dynamic tax-calculation engine supporting India (GST), Canada (HST/GST), and US tax regimes — eliminating manual tax computation for businesses. Authentication and authorization handled via NextAuth.js with role-based access control (RBAC) across three user personas: owner, accountant, and employee, each with scoped dashboards and permissions.
- Next.js
- Prisma
- PostgreSQL
- NextAuth.js
- Tailwind CSS