Junjie Cai
Principal Engineer at Google
Bellevue, Washington, United States
Summary
👤
Senior🎓
Top SchoolJunjie Cai is a Principal Engineer with 20+ years of experience (8 in senior cloud roles) designing and operating large-scale compute and PaaS infrastructures, currently building Google's compute platform from Bellevue. He previously led architecture and product engineering for Alibaba Cloud's Elastic Compute Service, driving generation-wide instance design and a shift to distributed-cloud architectures that created new offerings like Smart Hosting. A proven cloud and Java runtime expert, Junjie invented core multi-tenancy primitives in IBM’s Java SDK and has deep hands-on experience across CloudFoundry, containers, Kubernetes, Spring, and big-data stacks. He blends system-level innovation (SVM, Netty, NLP, OpenCV among his toolset) with product impact, moving from low-level JVM features to cloud product strategy. Known for turning architecture research into revenue-driving cloud products, he combines open-source fluency across Java, Go, and Python with a track record of operationalizing complex distributed systems.
8 years of coding experience
19 years of employment as a software developer
Master Computer Science and Engineering, Master Computer Science and Engineering at Zhejiang University
English, Chinese
Github Skills (33)
datasource8
jsinterop7
java7
spring-boot7
druid6
spring6
database5
high-performance5
pagination5
sql5
apache5
kafka5
spark5
programming-language4
json4
Programming languages (1)
Github contributions (5)
wx8900/SpringBootPage
Apr 2019 - Feb 2021
Pagination for SpringBoot
Contributions:130 commits, 109 pushes, 1 branch in 1 year 9 months
spring-bootpaginationspringbootspringjava
wx8900/MyProjects
Oct 2017 - Feb 2020
Contributions:2 pushes in 2 years 4 months
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