Junjie Yu
Software Engineer at Amazon
Cupertino, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJunjie Yu is a seasoned software engineer with 7 years of professional experience and a decade-plus career history spanning Yahoo, Thomson Reuters, and currently Amazon in Cupertino. He brings deep expertise in back-end performance optimization, demand-side platform latency reduction, and credential/login systems, having led major rewrites in Java, Node.js, and PHP. At Yahoo he progressed from front-end and globalization work to principal-level engineering focused on high-throughput DSP and secure third-party login services. Now at Amazon, he applies that combination of large-scale performance tuning and authentication experience to solve production-critical problems. Junjie’s background shows a rare blend of front-end and back-end mastery across authentication, mobile/globalization, and real-time ad systems. He holds a Computer Science degree from Beijing University of Technology and is known for turning complex legacy systems into lean, performant services.
7 years of coding experience
14 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Beijing University of Technology
Github Skills (3)
ring7
widescreen4
frame4
Programming languages (2)
Github contributions (5)
31ten/IPSA_MP
Jan 2020 - May 2020
IPSA EC MP
Contributions:4 PRs, 85 pushes, 8 branches in 4 months
AmokSP/fresh_tr
Apr 2024 - Jun 2024
Contributions:51 pushes, 1 branch in 1 month
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