Ke Xu

Head Of Product Engineering at JAPAN AI株式会社

Tokyo, Japan
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Summary

🤩
Rockstar
🎓
Top School
Ke Xu is a trilingual backend engineer and product engineering leader with 10+ years building high-performance, large-scale online systems from Tokyo. As Head of Product Engineering and former Senior Engineering Manager at SmartNews, he led multi-team backend efforts, cut infrastructure costs while improving latency, and architected flexible content delivery and ads systems used across the product. His hands-on background spans low-level C/embedded web UIs to modern cloud-native stacks (gRPC, Spanner, Dataflow) and CI/CD automation, reflecting both deep technical craft and operational ownership. Ke contributes to open-source projects, improving code-review automation and Chrome extension UIs, showing a blend of backend automation and front-end pragmatism. He is selective about recruiter outreach, preferring conversations with clear context, and brings an uncommon mix of game-backend experience (Niantic/Pikmin Bloom) and news-scale delivery expertise.
code10 years of coding experience
job17 years of employment as a software developer
bookBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Nanjing University
languagesChinese, English, Japanese
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Github Skills (18)

javascript10
google-apps-script10
github10
browser-extension10
cil10
user-interface10
chrome-extension10
chrome-app10
code-review10
ruby10
automation10
front-end-development10
html10
automations10
chrome-plugin10

Programming languages (10)

TypeScriptJavaRustJavaScriptGoLuaHTMLGroovy

Github contributions (5)

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danger/danger

Feb 2017 - Jun 2017

🚫 Stop saying "you forgot to …" in code review (in Ruby)
Role in this project:
userBack-end Developer & Automation Engineer
Contributions:10 commits, 7 PRs, 3 comments in 4 months
Contributions summary:Ke's contributions primarily focused on improving the Danger project's functionality and maintainability. They refactored code related to inline comments and GitHub integration, addressing bugs and enhancing the handling of out-of-range messages. The user also added features like the ability to dismiss out-of-range inline comments. Additionally, they updated the project's configuration for plugin integration with Gitlab.
stopbitbucketgitlabrubyin-review
leonhartX/danger-lgtm

Mar 2017 - Feb 2020

let danger say LGTM!
Contributions:6 releases, 43 commits, 16 PRs in 3 years
lgtmdanger-pluginlgtm-imagelgtm-giflet
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Ke Xu - Head Of Product Engineering at JAPAN AI株式会社