Yusi Zhang
Senior Software Engineer at Google
Redwood City, California, United States
Summary
👤
Senior🎓
Top SchoolYusi Zhang is a Senior Software Engineer with 12 years of experience who has focused on secure client middleware and device communication, most recently building FIDO2 authenticator integrations at Google. With a PhD in computer science from UC Davis, his background blends provable symmetric-key cryptography research with practical backend engineering in Java and security-focused web development. He has hands-on experience adding HID support and build tooling to the well-known libfido2 project, demonstrating low-level device and cross-platform integration skills. Past internships at WePay and Irdeto reflect a strong orientation toward crypto key provisioning, DRM, and applied security. Based in Redwood City, he pairs academic rigor with production-grade engineering to bridge cryptographic theory and real-world authentication systems.
12 years of coding experience
5 years of employment as a software developer
Doctor of Philosophy (PhD) Computer Science, Doctor of Philosophy (PhD) Computer Science at University of California, DavisHong Kong University of Science and Technology (HKUST)
English, Chinese, Japanese
Github Skills (6)
c1710
c1110
fido10
webauthn10
usb8
nfc8
Programming languages (9)
Github contributions (5)
Yubico/libfido2
Nov 2019 - Sep 2020
Provides library functionality for FIDO2, including communication with a device over USB or NFC.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:33 commits, 26 PRs, 24 comments in 10 months
Contributions summary:Yusi primarily focused on the `tools/sk-libfido2.c` file, fixing typos and adding necessary header files. They made changes to the build process and license information within the repository. They also added and integrated `hidapi` by adding `src/hid_hidapi.c`, demonstrating an understanding of device communication.
yubikeywebauthnusbcommunicationnfc
James-ZHANG/libcbor
Mar 2020 - Dec 2022
CBOR protocol implementation for C
Contributions:23 pushes, 11 branches in 2 years 9 months
python-bindingscborc99
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