Yan Yan is a senior engineering leader with 14 years of experience building large-scale infrastructure for social networks, payments, and ads, currently serving as Senior Director of Engineering at Flex in San Francisco. He has led teams across China and the US to support billions of page views and tens of millions of users, owning core platform areas including payments, risk, data and finance infrastructure, and identity. At Venmo he built the data infrastructure team from scratch to support 400+ engineers and features serving 70M+ users, and earlier roles at LinkedIn, Google, Renren, and NetEase reflect deep expertise in distributed systems, Kafka-based pipelines, and data access layers. Known for combining hands-on technical design with people and culture programs—he has led hiring, promotion reviews, tech committees, and large engineering orgs—he pragmatically balances reliability, scalability, and cross-team enablement. Trained originally in Geographic Information Science, he brings a systems-thinking lens to data and platform problems that often yields non-obvious optimizations.
14 years of coding experience
15 years of employment as a software developer
Bachelor of Science (BS) Geographic Information Science and Cartography, Bachelor of Science (BS) Geographic Information Science and Cartography at Nanjing Normal University
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