Summary
Ray Sinnema is a senior software architect with 13+ years designing and evolving resilient SaaS platforms and shared services at companies like eBay Classifieds, Adevinta, and VelocityEHS. He blends hands-on coding and cloud infrastructure work with governance: introducing Backstage, shaping security standards, threat modeling, and supporting FinOps and GDPR systems. Ray excels at enabling teams to make trade-off-driven decisions, mentoring architects and tech leads, and improving technical documentation and developer experience. His early career spans deep experience in content platforms, data-intensive microservices on Kubernetes and Kafka, and a strong grounding in security and API governance. He pursues mastery through long-term, evidence-driven iteration—learning what works in production and codifying those lessons across organizations. Based in the United States with a CS degree from Erasmus University, he brings a pragmatic mix of engineering craft, architectural stewardship, and organizational change skills.
12 years of coding experience
26 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Erasmus University Rotterdam
English, Dutch, German, French, Spanish