Digital Healthcare Platform
- Role
- Software Architect. Worked on the platform architecture and evolution, focusing on domains, shared capabilities, identity, integrations and governance.
- Scope
- Enterprise low-code digital platform (OutSystems Developer Cloud) for the healthcare sector, with mobile and web applications, multiple business domains and integrations with enterprise and legacy systems.
- Impact
- A consistent architectural foundation for evolving multiple journeys: clear domain boundaries, shared capabilities, centralized identity and structured integration.
Architecture of an enterprise healthcare ecosystem connecting digital experiences, shared capabilities and enterprise systems.
Details have been generalized to preserve confidentiality.
Context
A healthcare organization needed to evolve its digital ecosystem to support multiple customer journeys across integrated mobile and web applications.
The platform brings together business domains such as appointments, exams, authorizations, financial services, beneficiary management and digital healthcare services, alongside cross-cutting capabilities such as authentication and enterprise integrations.
Challenge
Design and evolve the architecture of an enterprise low-code digital platform for multiple functional domains, mobile and web applications, and a broad ecosystem of enterprise integrations.
The architecture needed to balance delivery agility with separation of responsibilities, reuse, security, scalability and governance, allowing journeys to evolve consistently within the same ecosystem.
Architectural context
- Multiple business domains and customer journeys.
- Mobile and web experiences in the same ecosystem.
- Integration with multiple enterprise and legacy systems.
- Strong authentication and security requirements.
- Shared capabilities consumed across journeys.
- Continuous evolution of an active platform.
- Architectural consistency across multiple development squads.
Architecture
The architecture organizes the ecosystem into layers with clear responsibilities: digital experiences, functional domains, shared capabilities and enterprise integrations.
Digital experiences are the entry point for mobile and web journeys. Functional domains organize business capabilities, and shared capabilities provide reusable services across journeys. Integration boundaries define a consistent communication model with enterprise, legacy and external systems.
The goal goes beyond technical separation: creating clear boundaries that let the ecosystem evolve without losing consistency.
Mobile · Web
Enterprise Systems · Legacy Systems · External Services
Key decisions
Domain-oriented architecture
Customer journeys and capabilities were organized according to their functional domains, establishing clear responsibility boundaries and supporting the continued evolution of the solution.
Shared platform capabilities
Cross-cutting capabilities were structured for reuse across different journeys, reducing duplication and promoting architectural consistency throughout the ecosystem.
Centralized identity & authentication
Identity and authentication were treated as central platform capabilities, providing a consistent security approach across different digital experiences.
Integration architecture
Integrations with enterprise and legacy systems were structured through clear boundaries and contracts, reducing direct coupling between digital experiences and systems of record.
Architecture governance
Architectural standards, guidelines and shared components were established to maintain consistency across domains and development teams as the platform evolved.
Trade-offs
One of the main trade-offs was balancing the autonomy each domain needs to evolve with the need to keep the architecture and user experience consistent across the platform.
Clear functional boundaries let journeys evolve according to their responsibilities, while cross-cutting capabilities remain shared to reduce duplication. This requires continuous architectural governance, but provides a more consistent foundation for the evolution of the ecosystem.
Results
- Clear architectural boundaries across functional domains.
- Centralized shared capabilities across multiple journeys.
- Consistent identity and authentication strategy.
- Structured integration with enterprise and legacy systems.
- Architectural standards and guidelines supporting consistent evolution.
- A foundation designed to support the continued evolution of mobile and web experiences.
Stack
OutSystems Developer Cloud · Mobile · Reactive Web · REST APIs · Enterprise Integrations · Identity & Authentication