Jiexin Guo
Expert Engineer, Software Development at Shopee
Shenzhen, Guangdong Province, China
Summary
👤
Senior🎓
Top SchoolJiexin Guo is an expert software engineer with 12 years’ experience specializing in integration, regression and end-to-end testing for large-scale distributed systems. Currently at Shopee, he builds traffic record-and-replay frameworks and RPC/middleware mock systems to make production-like testing reliable and repeatable. His past work at Google drove down flaky test rates from 25% to 5% and cut test runtimes by 30% through clever local dependency implementations and timing-reporting tooling. Comfortable across CI/CD, Kubernetes migrations, Selenium/pytest E2E suites and auto-release pipelines, he also develops test utilities and monitoring to keep releases healthy. Trained at CMU and SYSU-CMU with a background in information security, he combines rigorous engineering discipline with a pragmatic focus on observability and timing metrics that reveal subtle system regressions.
12 years of coding experience
6 years of employment as a software developer
Double degree from SYSU & CMU, Master's degree, Electrical & Computer Engineering, Double degree from SYSU & CMU, Master's degree, Electrical & Computer Engineering at 中山大学卡内基梅隆联合工程学院, SYSU-CMU Joint Institute of EngineeringBachelor of Engineering (B.E.), Information Security, Bachelor of Engineering (B.E.), Information Security at Sun Yat-Sen UniversityMaster's degree, Electrical & Computer Engineering, 3.67/4.00, Master's degree, Electrical & Computer Engineering, 3.67/4.00 at Carnegie Mellon University
English, Chinese, Chinese
Github Skills (71)
mobile-development10
windows10
custom-search10
app-framework10
skiasharp10
skia10
dart10
cross-platform10
android10
mobile10
macos10
flutter10
ios10
mobile-game10
desktop10
Programming languages (8)
Github contributions (5)
guojiex/leetcodeThing
Apr 2015 - Oct 2019
Contributions:70 pushes, 1 branch in 4 years 7 months
guojiex/guojiex.github.io
Apr 2016 - Nov 2022
My blog
Contributions:281 commits, 8 PRs, 485 pushes in 6 years 8 months
my-blog
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