Yushan ZHANG
SDET at KOMOJU
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolYushan ZHANG is an experienced SDET with a decade of hands-on practice in software testing, DBMS infrastructure, and system security, currently based in Tokyo and working at KOMOJU. He combines low-level expertise in C/C++, assembly, reverse engineering and debugging tools (IDA Pro, GDB/WinDbg) with high-level skills in Python, Java, CI, Docker and MySQL to build robust test automation and quality pipelines. His research background (MPhil in Computer Science) and time in Tencent’s TEG highlight a strong focus on reliability for large-scale database systems and transactional correctness. Yushan also pursues cybersecurity academically (studying MIT 6.858) and publishes learning materials and security tooling on GitHub, reflecting a commitment to community knowledge sharing. Notably, his early work on symbolic execution, SMT solver tooling and fault-localization demonstrates an unusual blend of formal methods research and practical QA engineering.
10 years of coding experience
4 years of employment as a software developer
Summer School, General Studies, Summer School, General Studies at Korea Advanced Institute of Science and TechnologyBachelor's degree, Computer Science and Technology, Bachelor's degree, Computer Science and Technology at South University of Science and Technology of ChinaNone-degree Seeking, Computer Science, 3.8/4.0, None-degree Seeking, Computer Science, 3.8/4.0 at Kent State UniversityHong Kong University of Science and Technology (HKUST)
Korean, English, Chinese
Stackoverflow
563reputation
943kreached
20answers
4questions
Github Skills (200)
dependency-analysis10
testing10
serverless10
cpp10
vulnerabilities10
embeddable10
distributed-transactions10
embedded10
foundationdb10
scale10
mysql10
tidb10
raft10
elastic10
distributed-database10
Programming languages (19)
Github contributions (5)
zhangysh1995/NetworkingProject
Dec 2017 - Mar 2018
Contributions:59 commits, 8 PRs, 43 pushes in 3 months
sustechfallnetworkingcomputer-networking
zhangysh1995/awesome-database-testing
Dec 2019 - Jan 2023
数据库测试资料 This repo is a collection of resources on testing database systems
Contributions:1 review, 25 commits, 3 PRs in 3 years 1 month
testingdatabasedatabase-systemsdatabase-testing
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