Senior Software Engineer and Technical Consultant with 10+ years of experience designing, building, and reviewing large-scale, production-grade systems.

I focus on distributed systems, API integrations, automation, and reliable software infrastructure for data-intensive and regulated environments. My work spans healthcare, finance, SaaS, and open-source ecosystems, collaborating with international teams across the US, Canada, Europe, and Latin America.

• Distributed systems and event-driven architectures
• API design and complex system integrations
• Automation and workflow optimization
• Scalable backend architectures (Node.js ecosystem)
• Open source software evaluation and code review
• AI-assisted systems and applied machine learning infrastructure
• Software reliability, maintainability, and reproducibility

Languages

• JavaScript / TypeScript
• PHP
• Python
• Bash / Shell

Backend & Infrastructure

• Node.js, NestJS
• REST APIs
• AWS (Lambda, SNS, SQS, serverless architectures)
• PostgreSQL, MySQL, MongoDB
• Event-driven and message-based systems

Other

• System architecture reviews
• Code quality and technical audits
• Open source collaboration

I've contributed to and led engineering efforts in projects involving:

• Healthcare staffing and compliance-driven platforms
• Financial systems and mortgage lending infrastructure
• SaaS products with high availability and scale requirements
• AI-powered platforms for automation and decision support
• Open source tools used in research and production environments

My role often sits at the intersection of engineering execution, system design, and technical leadership, helping teams ship reliable software while reducing operational risk.

• Contributor and reviewer in open source ecosystems
• Volunteer Peer Reviewer for scientific and research-oriented software
• Experience evaluating software for:
  • Architecture quality
  • Reproducibility
  • Maintainability
  • Production readiness

• Research software engineering
• Software as digital infrastructure
• AI applied to real-world systems
• Developer productivity and automation
• Open source and community-driven projects

• LinkedIn: https://www.linkedin.com/in/operfildoluiz
• GitHub: https://github.com/operfildoluiz
• Website: https://www.opsvia.com

Always interested in collaborating on impactful software projects and open source initiatives.