Jinsheng Ba
Postdoctoral Researcher at ETH Zürich
Zurich, Zurich, Switzerland
Summary
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Rockstar🎓
Top SchoolJinsheng Ba is a postdoctoral researcher at ETH Zürich with a decade of experience at the intersection of software reliability and security, holding a PhD from the National University of Singapore. His background spans security engineering at Huawei—covering reverse engineering, penetration testing, malware analysis and distributed computing—and academic research focused on making software more robust. An active open-source contributor, he has improved backend testing tools like SQLancer by hardening SQLite3 and TiDB integrations and enabling support for modern databases such as CockroachDB. He combines low-level systems expertise in C/C++/Java/Python with formal research methods, bringing practical vulnerability-finding skills to large-scale database testing and reliability research.
10 years of coding experience
2 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Shandong UniversityDoctor of Philosophy - PhD Computer and Information Systems Security/Information Assurance, Doctor of Philosophy - PhD Computer and Information Systems Security/Information Assurance at National University of Singapore
Github Skills (12)
tidb10
javas10
debug10
better-sqlite310
sqlite10
sql10
dbms10
dbm10
java10
testing9
cockroachdb9
database-design9
Programming languages (12)
Github contributions (5)
sqlancer/sqlancer
Apr 2022 - Jan 2023
Automated testing to find logic and performance bugs in database systems
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:114 reviews, 36 commits, 86 PRs in 9 months
Contributions summary:Jinsheng primarily focused on improving the SQLite3 and TiDB back-end, as indicated by their commits. They fixed bugs in the copy constructor of SQLite3Select and implemented deterministic hex/dec for SQLite3. Furthermore, the user addressed connection issues in TiDB and supported the latest versions of CockroachDB and TiDB. Their contributions also involved fixing grammar and supporting features, such as dropping tables/views.
dbms-testingdbmsmysqltidbtesting
bajinsheng/bajinsheng.github.io
Jun 2022 - Mar 2025
Jinsheng Ba, a PhD student working testing at NUS
Contributions:6 PRs, 191 pushes in 2 years 9 months
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