Ruby Y.

Ruby Y. is an experienced back end developer with a strong background in Java and cloud-native applications. Currently serving as a Back End Developer at Walmart since September 2025, Ruby previously worked at URBN from January 2024 to August 2025, leading the development of an order service for a fashion e-commerce platform. Ruby's diverse experience includes roles at Wawa, Inc., where Ruby built an inventory management system, and Philadelphia Insurance Companies, where Ruby delivered a cloud-native claims platform that significantly improved processing times. Ruby also contributed as a Fife-Penn STEM&CS instructor at the University of Pennsylvania, teaching programming to middle school students. Ruby holds a Master of Science in Computer Science from the University of Pennsylvania and a Bachelor of Science from Penn State University.