At PayPal / Venmo, I architect and optimize risk and limitation systems for payment transactions. I developed Java Spring Boot and Python Django services that reduced fraud decision latency by 35% and improved processing speed by 60%.
At PayPal, I designed Spring Batch settlement reconciliation applications and reengineered payment orchestration workflows. At Cisco, I modernized commerce APIs and developed Python and Angular regression testing platforms that reduced manual QA effort across 50+ applications.

