Summary
Zhengyu Cai is a Staff Software Engineer in the San Francisco Bay Area with 12 years of experience building full-stack, data-intensive systems across Java, Python, Scala and streaming platforms. At LinkedIn he leads the Cost2Serve team, driving cross-org cost modeling, chargeback and resource-reduction efforts that contributed to a ~30% reduction in Hadoop/Grid usage while providing forecasting for capacity planning. Comfortable in both backend and frontend work, he pairs systems engineering (Kafka, Spark, Samza, MySQL) with hands-on curiosity from mobile to container tooling and has prior experience building memory-leak detection tooling at Amazon Lab126. A quick learner and collaborative tech lead, he runs design reviews and a team book club to raise engineering craft, and brings a pragmatic interest in open source contributions beyond his day-to-day production responsibilities.
12 years of coding experience
High School, High School at High School Affiliated to Nanjing Normal University
Bachelor of Science (B.S.), Electronic and Information Science, Bachelor of Science (B.S.), Electronic and Information Science at Nanjing University
The University of Hong Kong (HKU)
Master's Degree, Electrical & Computer Engineering, Master's Degree, Electrical & Computer Engineering at Cornell University
English, Chinese