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Enterprise Application Architecture
Medical Devices

Unified Application Architecture for a Patient-Monitoring Device Maker


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Problem

Six siloed clinical applications

A patient-monitoring device manufacturer served 40 hospital customers through six separate clinical applications inherited from acquisitions. Each app had its own login, device-data pipeline, alert configuration and hosting stack, so hospitals integrated the same vendor six times, engineering teams duplicated every fix, and onboarding a new hospital took a full quarter of bespoke work.

Solution

One shared platform architecture

We designed and delivered a unified platform architecture: a shared ingestion tier for device telemetry, one identity and access layer, a common FHIR-based integration gateway for hospital systems, and a modular application shell the six products migrated into as feature modules. Migration ran product by product over 14 months, with legacy stacks retired behind an API compatibility layer.

Measurable Impact

What changed after launch

New hospital onboarding time dropped from 12 weeks to 3 weeks on the shared integration gateway

Delivery of new clinical-facing modules accelerated from an 11-month cycle to under 4 months

Duplicate hosting and tooling spend cut by 34% after consolidating six stacks onto one platform

99.95% measured uptime across the shared telemetry ingestion tier in its first 12 months

Tech & Tools Used

What powered the build

Java (Spring Boot)
Apache Kafka
TimescaleDB
PostgreSQL
Kong API Gateway
Keycloak
HL7 FHIR APIs
Kubernetes
Terraform
Grafana + Prometheus

Ready to Build your Medical Devices Business with Enterprise Application Architecture

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