
Fullstack Developer
Shop Inventory & Sales Management System
How do you test a calculation without running the whole app?
A multi-tenant inventory and POS system connecting stock movements, financial records, and role-based access. Built with Next.js and TypeScript, with business logic separated into domain modules and calculation functions that can be unit tested independently.
- Next.js 14
- TypeScript
- Prisma ORM
- PostgreSQL
- Vitest
- 199 tests
- Next.js 14
- Multi-tenant





