Yuchao Qian
Technical Staff at Moonshot AI
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolYuchao Qian is a system programmer and "vibe creator" with 11 years of experience building low-level systems, databases, and chatbot frameworks from Singapore. He founded and authored widely used open-source chatbot projects (CQHTTP, NoneBot) that powered thousands of bots and influenced de facto APIs for messaging platforms. As a database kernel engineer at RisingWave Labs, he implemented window functions, streaming emit-on-window-close semantics, and multiple performance optimizations that materially improved throughput and latency. His contributions span full-stack OSS work—from documenting OneBot and maintaining scheduler features in NoneBot to adding core SQL built-ins and tests in RisingWave—showing fluency across docs, infra, and kernel code. Now building AI agent infrastructure at Moonshot AI, he blends systems-level rigor with pragmatic developer-facing tools. An underappreciated strength is his pattern of turning research-grade OS and kernel work into production-ready developer experiences and ecosystems.
11 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Internet of Things Engineering, Bachelor's degree, Internet of Things Engineering at 常州大学Master's degree, Software Engineering, Master's degree, Software Engineering at 上海交通大学
Chinese, English, Japanese
Stackoverflow
1reputation
180reached
0answers
1question
Github Skills (46)
unit-testing10
cron10
e2e-testing10
javascript10
c-language10
sqlite10
http-api10
python10
apscheduler10
testing10
e2e-test10
command-line-interface10
databases10
bots10
python-bot10
Programming languages (18)
Github contributions (5)
kyubotics/coolq-http-api
Jan 2017 - Aug 2020
为 酷Q 提供通过 HTTP 或 WebSocket 接收事件和调用 API 的能力
Role in this project:
Back-end Developer
Back-end DeveloperContributions:91 releases, 1015 commits, 34 PRs in 3 years 6 months
Contributions summary:Yuchao's contributions center around modifying the HTTP API plugin for the CoolQ HTTP API. The commits show the modification of configuration loading, improvements to message processing and enhanced CQ codes. The changes include features such as adding a delete message, adding get record API, and the addition of a method to set restart to the plugin.
websocketapiwebsocket-api
botuniverse/onebot
Aug 2020 - Dec 2022
OneBot：统一的聊天机器人应用接口标准
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:10 reviews, 205 commits, 99 PRs in 2 years 4 months
Contributions summary:Yuchao primarily focused on updating the documentation website for the OneBot project. They added and organized documentation, including legacy versions and API specifications. Their contributions involved modifying configuration files to include new navigation links, update the website's theme, and implement versioning. They also appear to be involved with setting up a build process for the documentation.
apiprotocolbotqqbotonebot
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