About

Yingchen Liu is a highly experienced senior software engineer and tech leader with over 8 years of technical experience in several domains, including Experiment Platform, Marketing Ads Platform, Customer Experience, and Hadoop Data Platform. With a strong educational background, holding a Master's degree from Shanghai Jiao Tong University and a Bachelor's degree from Nanjing University majoring in Computer Software Engineering, Yingchen has a demonstrated history of working with big data stack technologies, including Spark, Presto, Hive, Hadoop, ElasticSearch, Flume, Kafka, and Kylin, among others. Currently working as a Senior Software Engineer and Tech Lead of Experimentation Data team at Uber, Yingchen is passionate about building next-generation Experimentation Platform to drive the growth of the world's largest ride-sharing business with large-scale big data technology, including Spark, Presto, Kafka, Hive, Java, Scala, and more. With a focus on designing and developing tools and frameworks to improve development engineering efficiency, production operation automation, business dataset quality, and large-scale service, Yingchen's expertise has been instrumental in building centralized logging service, workflow engine, automation framework, data validation engine, and more. Previously, Yingchen worked as a Senior Software Development Engineer at eBay, where she was responsible for designing and developing modules like persistence layer and account management, REST API, and more. She also worked as a quality automation engineer responsible for code quality and provided customer support about system migration, cube building, and more. Yingchen's experience also includes engineering/automation for projects like eBay Profile, eBay collections, and more. Yingchen's technical skills include core Java, data structure, and algorithm, with rich hands-on development experience and familiarity with frameworks like Spring, MyBatis, and more. With a good domain knowledge in Experiment Platform, Advertisement Platform, and Big Data Platform, Yingchen is a highly skilled software engineer with relevant experience of 9.79 years.