Rui Liu

Beijing, United States

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Summary

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Rockstar

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Top School

Rui Liu is a software engineer with 8 years' experience specializing in physics-based and data-driven modeling for industrial processes, Industry 4.0, and additive manufacturing. Based in Beijing with formative studies at the University of Illinois Urbana-Champaign, Rui blends scientific computing rigor with practical backend and DevOps skills. He contributes to prominent open-source projects such as Apache IoTDB—improving core file-handling and robustness—and enhanced Docker support for Apache RocketMQ, including OpenJDK Alpine compatibility and JVM tuning. Rui’s work shows a pattern of improving system reliability and observability, from file-size monitoring and exception handling to container startup optimizations. Colleagues appreciate his ability to translate complex physical models into scalable, production-ready software components. He brings a rare combination of domain science understanding and hands-on systems engineering to industrial-scale software challenges.

8 years of coding experience

University of Illinois Urbana-Champaign

Chinese, English

Github Skills (25)

docker10

rocketmq10

scripting10

databases10

time-series10

dockers10

java10

javas10

tsd10

junit10

script10

fileio10

jtest10

file-processing10

file-handling10

Programming languages (6)

JavaDockerfileShellJavaScriptGoHTML

Github contributions (5)

apache/rocketmq-docker

Aug 2019 - Jan 2020

Apache RocketMQ Docker

Role in this project:

DevOps Engineer

Contributions:13 commits, 5 PRs, 4 comments in 5 months

Contributions summary:Rui focused on enhancing the Apache RocketMQ Docker image and related scripts. They implemented improvements to find and configure the JAVA_HOME variable. Furthermore, the user added support for OpenJDK Alpine-based images. Their work also involved updating scripts for running and managing RocketMQ within Docker containers, including updates to the update process of images, and optimization of the JVM startup configuration.

docker-imagedockerapacherocketmqjava

apache/iotdb

Feb 2019 - Nov 2019

Apache IoTDB

Role in this project:

Back-end Developer

Contributions:23 commits, 11 PRs, 62 pushes in 8 months

Contributions summary:Rui primarily focused on addressing issues and implementing features related to the Apache IoTDB's core functionality, specifically related to handling and managing data files, open file number statistics, and ensuring proper operations. The commits involve modifying Java code within the `cn.edu.tsinghua.iotdb.utils` package, to improve its performance and ability to handle files. These changes include the addition of tests and modifications to improve the accuracy of file size monitoring. The user also made improvements to exception handling.

tdenginenosqlapachebig-datadatabase

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