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Authentication & Permissions
A tested starting point for authentication & permissions reduced repeated setup work.
We built a backend and API integration layer for a growing commerce business so orders, inventory, payments, fulfillment, and customer updates could move reliably between the tools the company already used.
Trusted by teams building ambitious products
A retailer using separate ecommerce, inventory, payment, fulfillment, and customer communication systems.
Coretus worked across product planning, UX, backend engineering, integrations, testing, deployment, and ongoing improvements.
Create one dependable backend that keeps business data synchronized and makes integration failures easier to understand and recover.
A central backend and API layer that standardizes commerce data, connects external systems, and tracks failures, retries, and day-to-day status.
The business used separate tools for ecommerce, inventory, payments, fulfillment, and customer communication. Each system worked, but the connections between them were fragile.
As order volume grew, the company needed a dependable backend that could keep data in sync and give teams one consistent view of what was happening.
Each connection had different logic.
Systems connect through a consistent backend.
Teams found issues after customers or staff noticed them.
Integration problems are logged and recoverable.
Systems could show different order or inventory states.
Business rules keep data more consistent.
A consistent backend handles data exchange between commerce systems.
Failed updates are tracked and retried instead of being silently lost.
New channels and tools can connect through the same API foundation.
Tested foundations helped the team spend less time on setup and more time on the parts that made this product useful.
A tested starting point for authentication & permissions reduced repeated setup work.
Reusable work for workflow & api layer let the team focus more time on the client’s specific needs.
This made it easier to add monitoring & reliability without rebuilding common foundations.
A tested starting point for notifications & status reduced repeated setup work.
A straightforward before-and-after view of what changed for the team and their customers.
Orders and updates move through a more reliable flow.
Teams can see failed integrations and retry status.
New systems can connect to a reusable backend layer.
The biggest difference was knowing where a problem happened. Instead of checking five systems, our team could see the integration status in one place .