Summary
Matt Colf is a pragmatic software engineering manager with 14 years of experience building and scaling backend systems, developer tooling, and full-stack applications across ecommerce, finance, and supply chain domains. He has a strong track record of partnering with product leaders to deliver measurable business outcomes—most recently shrinking order delivery times from 10 days to 3 and driving a 90% reduction in warehouse shrinkage through a global WMS rollout at StockX. As a hands-on leader he hires, mentors, and retains high-performing remote teams, achieving 94% retention for a 16-person multi-pod organization while onboarding new hires to contribute code within days. Comfortable across UX, React frontends, event-driven microservices, Kafka, and DevOps-enabled infra, he blends technical depth with product empathy to create delightful user experiences. Now leading Casino Platform engineering at PENN Entertainment, he continues to focus on building resilient core services and integrations for high-throughput consumer products. Outside of work he’s a self-described sci-fi-loving tech enthusiast and University of Michigan alum who brings curiosity and practical rigor to ambiguous, high-impact problems.
14 years of coding experience
14 years of employment as a software developer
BSE Computer Science Engineering, BSE Computer Science Engineering at University of Michigan College of Engineering