Guannan Ma
Chief Engineer Of Quality Assurance at DiDi
Changping District, Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolGuannan Ma is a seasoned quality engineering leader with 11 years in software and distributed systems, currently serving as Chief Engineer of Quality Assurance at DiDi and previously a Software QA Architect at Baidu. He blends hands-on engineering—contributing to Baidu's widely used CUP Python utility library—with strategic QA leadership, running a department focused on reliability at scale. His background at IBM in distributed computing and a degree in Network Engineering give him deep technical grounding in infrastructure and systems testing. Known for resolving complex configuration and integration issues, he brings practical experience in maintaining core libraries and tooling that support large engineering teams. Based in Beijing, he balances a pragmatic, fun approach to engineering with enterprise-grade rigor. Colleagues rely on him to translate intricate technical problems into robust, testable solutions.
11 years of coding experience
11 years of employment as a software developer
Bachelor's degree, Network Engineering, Bachelor's degree, Network Engineering at Shandong University of Science and Technology
Chinese, English
Github Skills (6)
configuration-management10
code-library10
lib10
python10
version-control9
git9
Programming languages (2)
Github contributions (5)
baidu/CUP
Feb 2015 - Jan 2023
CUP, common useful python-lib. (Currently, Most popular python lib in baidu). Python 开发底层库, 涵盖util、service(threadpool/generator/executor/cache等等)、logging、monitoring、增强型配置 等等库支持
Role in this project:
Back-end Developer
Back-end DeveloperContributions:24 releases, 1 review, 237 commits in 7 years 11 months
Contributions summary:Guannan appears to be making significant contributions to the core Python library, CUP, which provides utility functions and various services. Their commits include merging changes from the master branch, resolving conflicts, and modifying configuration files, particularly focusing on configuration management (`cup/util/conf.py`). The changes suggest involvement in maintaining and updating the core functionality and configuration aspects of the library. Additionally, the user's work includes adding new files, likely expanding the library's capabilities, and fixing bugs.
pipenvutilpythoncuplogging
mythmgn/awesome_py_traps
May 2019 - Sep 2019
Contributions:39 commits, 34 pushes, 1 branch in 4 months
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