Kassenta — Cloud Multi-Tenant POS System
Cloud-based, multi-tenant point-of-sale system for restaurants, cafés and retail — with inventory, multi-branch and reporting.
I built Kassenta as a cloud, multi-tenant POS for restaurants, cafés and retail. A café losing connectivity for ten minutes cannot stop serving, so offline capability could not be a feature added later — it had to sit underneath the data model from the first commit.
What I built
- Multi-tenant backend: one codebase, isolated data per business
- Staff Android app that keeps taking orders offline and reconciles on reconnect
- Separate customer app for online ordering direct from the venue
- Inventory tracking with multi-branch stock
- Reporting across branches, Stripe billing for subscriptions
- Background job queues so reporting never blocks a live sale
The engineering decision
Multi-tenancy is the decision founders underestimate most. Whether tenants share one database or each get their own affects backups, migrations, per-customer performance and compliance — and it is close to impossible to reverse cheaply once you have 200 businesses live.
The honest answer is that neither option is universally right. It depends on how much data isolation your customers will contractually demand, and that is a business question long before it is a technical one.
Technologies used
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