Summary
Thomas Marsh is a seasoned software engineering leader with nearly 30 years of global experience delivering award-winning products to millions of users across 17 countries. As Director of Software Engineering at the Wadsworth Center, NYS Department of Health, he brings a rare blend of health-domain software delivery, scalable architecture, and cross-sector leadership from startups to large organizations. His career spans roles at Meta, Beyond Identity, Spotify, and FiftyThree, where he shaped mobile architectures, scalable build systems, and secure identity platforms, while mentoring teams to ship high-quality, user-focused solutions. He combines deep technical interests in category theory and formal methods with practical product sense, collaborating with designers to create elegant UX and building flexible systems in languages from Haskell and Rust to Swift and Kotlin. Known for turning complex requirements into auditable, repeatable delivery, he has led initiatives such as policy-driven authentication platforms, hermetic builds, and engineering strategy that align people, process, and technology.
10 years of coding experience
26 years of employment as a software developer
Czech, German, Spanish