Xinyu Liu
Software Engineer
Hangzhou City, Zhejiang, China
Summary
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RockstarXinyu Liu is a software engineer with a decade of experience specializing in Erlang-based back-end systems, release engineering, and test automation. Based in Hangzhou, he has played key roles in the EMQX open-source MQTT broker—improving test suites, automating release pipelines, and serving as release manager to streamline deployment and upgrade processes. He also contributes to product documentation, turning complex cluster and rule-engine concepts into clear, practical guides for developers and operators. Comfortable across development, DevOps, and technical writing, Xinyu bridges implementation and operational reliability to reduce friction in delivering distributed systems. His combined focus on automation and documentation highlights a pragmatic mindset: shipping robust releases while ensuring teams can onboard and maintain them efficiently.
10 years of coding experience
Stackoverflow
21reputation
1kreached
8answers
0questions
Github Skills (32)
erlang10
mqtt-protocol10
scripting10
testing10
emqx10
release-management10
automation10
script10
sh10
automations10
shell10
documentation10
test-automation10
brokers9
broker9
Programming languages (14)
Github contributions (5)
emqx/emqx-docs
Sep 2018 - Jan 2023
EMQX product documentation
Role in this project:
Technical Writer
Technical WriterContributions:158 reviews, 154 commits, 168 PRs in 4 years 5 months
Contributions summary:Xinyu's commits primarily involve updating and expanding the documentation for the EMQX project. This includes adding new sections on rule engine commands, API documentation, and cluster configuration, as well as correcting typos and improving the overall clarity and organization of the documentation. The contributions enhance the usability of the project for both developers and end-users by providing comprehensive and accurate information. The user also updated the design documentation, reflecting the project's evolution.
emqxbrokermqttmessagingproduct-documentation
emqx/emqx
Apr 2018 - Jan 2023
The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles
Role in this project:Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:7 releases, 1282 reviews, 1441 commits in 4 years 10 months
Contributions summary:Xinyu's commits focused on updating and improving test cases for the EMQX MQTT broker, particularly within the context of the `emqx/emqx` repository. Their contributions involved updating test cases for `emqx_client_SUITE`, `emqx_cm_SUITE`, `emqx_session_SUITE`, and other related modules, and the core logic related to the internal test setup. The user also made changes to ensure the tests were compatible with the structure. They updated the configuration and structure of various testing files.
mqtt-servertelecomconnectedlwm2mmqtt-broker
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