Steve Sato

Led development of a dynamic admin portal and prompt lifecycle tools for LLMs, and architected a drag-and-drop rule engine, reducing manual ops requests by 40% and lowering fraud false positives by 17%. Implemented real-time AI score viewers, role-based controls, and CI/CD pipelines to improve security and delivery cadence.

Delivered a high-scale multi-vendor e-commerce platform and real-time checkout systems, reducing abandoned carts by 22% and refactoring REST to GraphQL to cut frontend data load time by 35%. Built vendor analytics and improved CI/CD and API security across portals.

Led full-stack delivery of client-facing apps across fintech and retail, and built an internal time-tracking and invoicing platform that reduced finance overhead by 40%. Developed reusable component libraries and real-time dashboards to improve dev efficiency and shipment tracking accuracy.

Built core APIs and microservices for logistics and banking apps using Node.js and Django, and designed data pipelines that reduced manual reconciliation by 60%. Implemented OAuth2 authentication and monitoring with Datadog to support high-throughput transactional workflows.

Completed a Bachelor of Computer Science at the University of Waterloo from 2011 to 2015.