Software Architect
I Turn Legacy Systems Into Scalable Cloud Platforms
20 years modernizing enterprise platforms — from monoliths to microservices, on-prem to cloud. I've delivered in healthcare, finance, and SaaS, where architecture decisions have to be right the first time.
What I Do
I specialize in turning legacy enterprise systems into modern, scalable cloud platforms.
Cloud Modernization
Migrate legacy monoliths to scalable cloud architectures on AWS and Azure. Reduce infrastructure costs, improve reliability, and unlock the ability to ship faster.
Enterprise Architecture
Design system architectures that align technology investments with business goals. Scalable, secure, and built for compliance from day one.
Event-Driven Systems
Build reactive, loosely-coupled platforms using event-driven patterns for real-time data processing, async workflows, and system integration.
How I Work
A straightforward engagement model designed to get you from legacy to modern with minimal risk.
Discovery
We start with a deep dive into your current architecture, business goals, and constraints. I identify technical debt, risks, and opportunities for modernization.
Architecture
I design a target-state architecture with a clear migration path. You get detailed diagrams, technology recommendations, and a phased roadmap your team can execute.
Delivery
I can embed with your team to lead implementation, or provide advisory support as you build. Either way, I stay engaged until the architecture is proven in production.
I work best as a fractional resource or technical advisor — I don't take full-time positions.
Where I've Delivered
I've modernized platforms across multiple industries — each with its own constraints, compliance requirements, and technical challenges.
Healthcare
Modernizing platforms for hospital systems, claims processing, and clinical analytics — with HIPAA compliance built in.
- Hospital pricing transparency
- Claims processing pipelines
- Multi-tenant SaaS platforms
Financial Services
Building secure architectures for digital banking and payment systems — meeting PCI and SOC 2 requirements.
- Digital banking platforms
- Core system integrations
- Microservices architecture
SaaS
Scaling B2B platforms from startup to enterprise — improving developer velocity, observability, and system reliability.
- Platform modernization
- Observability & monitoring
- CI/CD & DevOps practices
Track Record
Outcomes from projects I've led across healthcare, finance, and SaaS.
Case Studies
Healthcare Analytics Platform
Challenge
A healthcare analytics platform needed to scale from a traditional SQL Server architecture to serve hundreds of hospitals while maintaining strict HIPAA compliance.
Solution
Architected a migration to Azure serverless with event-driven claims processing pipelines and multi-tenant data isolation. Led the team through a phased modernization with zero downtime.
Major Regional Bank
Challenge
A regional bank needed to launch its first digital banking platform, moving from a legacy monolith to a modern microservices architecture on AWS.
Solution
Architected the bank's first AWS-based microservices platform. Introduced Infrastructure as Code and CI/CD pipelines, enabling rapid delivery of new digital banking features while maintaining PCI compliance.
B2B SaaS Platform
Challenge
A growing SaaS company needed to modernize its legacy .NET platform to improve developer productivity and reduce operational bottlenecks.
Solution
Defined architectural standards and a technical roadmap for platform-wide modernization. Migrated legacy apps to SDK-style formats and introduced Datadog observability for proactive monitoring.
Cloud
Backend
Data
Infrastructure
Frontend
About Me
I'm Rigo — a Software Architect based in Milwaukee. I've spent 20+ years helping teams untangle legacy systems and build something better.
I work best as a fractional architect or technical advisor — embedding with your team part-time to plan migrations, define architecture standards, or unblock complex technical challenges. I'm hands-on when needed, strategic when it counts.
Outside of architecture, I'm passionate about mentorship. I've coached engineers into senior and architect roles, and I genuinely enjoy helping people level up.
Let's Discuss Your Architecture Challenge
Whether you're modernizing a legacy platform, migrating to the cloud, or need architecture guidance for a regulated environment — I'd like to hear about your project.
Prefer email? Reach me at coffee@rigomacias.com