Architecting an event-driven seamless data integration layer to inject instant liquidity into a global supply chain SaaS—transforming a workflow tool into a financial engine with sub-second credit approvals.
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Global supply chain management platform handling $4B+ in annual invoice volume.
FinTech Architect + 2 Backend Engineers + DevSecOps Specialist embedded within the Core Platform team.
Embedding B2B financing (Factoring) directly into the invoice workflow to capture financing fees.
Node.js/Go microservices, Kafka event-bus, and a proprietary Risk Scoring Mesh.
The client's supply chain SaaS provided excellent visibility into shipping and invoicing, but suppliers were still forced to go to external banks for working capital, creating a 30-day funding gap and high platform churn.
The technical challenge was severe: the platform needed to ingest multi-tenant data, resolve real-time risk scores, and initiate bank transfers without the latency or security risks associated with legacy iframe-based FinTech widgets.
Users forced to re-onboard with external lenders, causing 60% funnel drop-off.
One-click funding directly on the invoice card. Zero context switching.
Stale data led to inaccurate risk pricing and high default rates.
Live supply chain telemetry feeds the risk engine for dynamic rate adjustment.
Heavy third-party SDKs slowed down the core SaaS frontend performance.
Decoupled microservices scale independently of the core SaaS platform.
The system continuously calculates risk scores in the background, allowing for instant 'Pre-Approved' UI states.
Sensitive financial data is isolated from the core SaaS database using a hardware-secured vaulting pattern.
Automatically re-calculates treasury requirements based on real-time global invoice fulfillment events.
Hardened mTLS templates for secure service-to-service communication in multi-tenant SaaS.
Standardized event-sourcing logic to ensure shadow ledgers never drift from source databases.
Pre-configured Kong/Istio templates for technical rate-limiting and financial-grade auditing.
Real-time dashboard for monitoring liquidity and disbursement success rates.
Providing instant capital turned the SaaS from an 'expense' into a 'revenue source' for suppliers.
The gRPC seamless data integration layer ensured that lending logic never impacted the core SaaS application load times.
Client Testimonial
Coretus didn't just build an integration; they transformed our entire business model. We transitioned from a supply chain tool to a B2B finance powerhouse in just 14 weeks. Our supplier stickiness is at an all-time high.
VP of Product Engineering