Yihung L
Member Of Technical Staff 2 at eBay
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolYihung L is a seasoned backend engineer based in San Jose with 11 years of experience building and scaling distributed systems, currently a Member of Technical Staff 2 at eBay. He has driven major migrations—modernizing decade-old monoliths to Spring Boot, replacing Oracle with eBay’s Monstor DB, and migrating payment flows—to reduce latency and improve retention across services handling millions of daily requests. His background spans data engineering and ETL using Spark, Scala, and Python, as well as building scalable REST APIs and messaging platforms with Kafka, demonstrating comfort across both data and service layers. Known for turning legacy systems into modular, experiment-ready platforms, he also mentors junior engineers and bridges product needs with reliable engineering execution. An iOS hobbyist per his GitHub bio, he brings a full-stack curiosity that informs pragmatic backend design.
11 years of coding experience
7 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Tamkang UniversityMaster of Science, Computer Science, Master of Science, Computer Science at The George Washington University
Chinese, English
Github Skills (26)
buttons9
uitableviewcell9
swiftui8
testing7
ios7
ruby7
android7
swift7
google-cardboard6
android-apps6
bdd6
cocoapods5
automation5
react-native5
objective-c5
Programming languages (3)
Github contributions (5)
muqq/algorithm-practice
Oct 2018 - Jul 2023
Contributions:17 pushes, 1 branch in 4 years 9 months
Invisibi/FFile
Apr 2016 - Sep 2016
Contributions:24 commits, 14 PRs, 40 pushes in 5 months
firebaseparseaws-s3aws
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