Lei Tang
Technical Lead at Google
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolLei Tang is a Technical Lead based in San Jose with eight years of experience building and securing cloud-native service mesh infrastructure at Google, where he leads Cloud Service Mesh and several Istio working groups. He combines deep security and backend engineering expertise—implementing JWT auth, RBAC claim matching, mTLS and certificate rotation—with hands-on DevOps and infrastructure work to enable managed CA and Anthos Service Mesh deployments. Previously he led mobile security and system software efforts at Samsung Research America and holds a Ph.D. from Rice University with a strong research publication record. An active Istio contributor, Lei’s work spans proxy/authn components, test automation, and docs, helping prevent race-related crashes and hardening production telemetry and extensions. He blends academic rigor with pragmatic engineering, often surfacing subtle stability fixes and validation checks that improve large-scale, security-critical systems.
8 years of coding experience
9 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Computer Science, GPA 4.04/4, Doctor of Philosophy (Ph.D.), Computer Science, GPA 4.04/4 at Rice UniversityB.E., Computer Science and Technology, B.E., Computer Science and Technology at Zhejiang University
Github Skills (52)
rbac10
env10
service-mesh10
kubernetes10
mesh10
google-api10
authorizations10
envoyproxy10
scripting10
technical-writing10
web-token10
it-security10
cloud-api10
user-authentication10
authentication10
Programming languages (10)
Github contributions (5)
istio/tools
Feb 2019 - Apr 2022
Tools shared by several Istio repositories
Role in this project:
DevOps Engineer & Security Engineer
DevOps Engineer & Security EngineerContributions:27 reviews, 13 commits, 18 PRs in 3 years 3 months
Contributions summary:Lei primarily contributed to the performance testing and automation of security-related features within the Istio project. They implemented and modified shell scripts to test Secure Datasource (SDS) certificate rotation and mTLS functionality. The contributions involved creating, configuring, and managing Kubernetes deployments for these tests and included the addition of a "CLUSTER" parameter for multi-cluster testing. The user also enabled mTLS in upgrade tests and documented their execution.
repositoriesgolanggodocgoistio
istio/proxy
Jan 2018 - Jul 2022
The Istio proxy components.
Role in this project:Back-end Developer
Back-end DeveloperContributions:177 reviews, 21 commits, 31 PRs in 4 years 6 months
Contributions summary:Lei primarily contributes to the Istio proxy components, focusing on features related to authentication and authorization. Their commits involve implementing JWT validation, including extracting and handling JWT claims. They also worked on adding and refining authentication filters, including mTLS logging and handling CORS requests.
sidecarproxylyft-envoydiscoveryistio
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