Hai Shi
Software Engineer at PE
Hangzhou City, Zhejiang, China
Summary
🤩
RockstarHai Shi is a seasoned software engineer with a decade of experience specializing in backend development and open-source contributions. Based in Hangzhou, he is a core developer and triager for OpenStack Rally, where he has modernized the CLI and streamlined endpoint and image-service code for more reliable benchmarking workflows. He also contributes to CPython, improving the C API, memory management, and documentation—work that addresses low-level correctness and build-time warnings. Comfortable navigating complex codebases, Hai blends systems-level C expertise with Python tooling to deliver pragmatic fixes and cleaner abstractions. His profile reflects a developer who prefers improving developer experience and long-term maintainability over flashy features, evidenced by careful CLI and API refinements in widely used projects.
10 years of coding experience
Github Skills (11)
debug10
openstack10
capi10
pytest10
python10
testing10
code-documentation9
memory-management9
jinja28
apidoc7
api7
Programming languages (7)
Github contributions (5)
python/cpython
Aug 2019 - Dec 2022
The Python programming language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:317 reviews, 3 commits, 246 PRs in 3 years 4 months
Contributions summary:Hai primarily contributed to the Python programming language, specifically by fixing bugs, improving documentation, and enhancing the C API. Their work involved removing unnecessary code, correcting type definitions, fixing function signatures, and adding new functions to support buffer-related operations. The user's contributions improved memory management efficiency, fixed compilation warnings, and generally enhanced the overall quality and documentation of the Python C API.
python-programmingprogramming-languagepythonpython-programming-language
openstack/rally
Dec 2016 - Oct 2017
Rally provides a framework for performance analysis and benchmarking of individual OpenStack components as well as full production OpenStack cloud deployments. Mirror of code maintained at opendev.org.
Role in this project:Back-end Developer
Back-end DeveloperContributions:35 commits, 1 comment in 10 months
Contributions summary:Hai primarily focused on modifying and improving the Rally CLI, including removing deprecated commands and updating endpoint configurations. The commits demonstrate a deep understanding of the Rally project's internal structure, particularly the command-line interface and associated testing frameworks. Additionally, the user contributed to improvements in the image service by extracting common functions.
individualbenchmarkingperformance-analysisrallyopendev
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