Alex Xu
Senior Software Engineer at 英伟达公司
Chaoyang District, Beijing, China
Summary
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RockstarAlex Xu is a Senior Software Engineer with 14 years of experience specializing in cloud-native infrastructure, distributed systems, and back-end performance. He has driven core contributions to OpenStack (Nova, Neutron, Placement) and improved production schedulers and proxies in projects like Kubernetes and Envoy, reflecting deep expertise in compute, networking, and service proxy internals. At Intel he led IA enablement for open cloud efforts and later served as an Envoy maintainer, demonstrating a blend of large-company engineering and influential open-source stewardship. Now based in Chaoyang District, Beijing and currently at NVIDIA, he focuses on robust, performant systems and API compatibility across evolving platforms. Practically minded, Alex often lands subtle but important fixes—like adapting quotas and console extensions for API migrations or making DNS and certificate comparisons case-insensitive—that prevent real-world outages and improve interoperability.
14 years of coding experience
16 years of employment as a software developer
Github Skills (43)
unit-testing10
api-rest10
algorithms10
kubernetes10
web-proxy10
c-language10
back-end-development10
python10
api-design10
routers10
restful-api10
openstack-api10
testing10
http10
router10
Programming languages (8)
Github contributions (5)
openstack/nova
Jun 2013 - Sep 2019
OpenStack Compute (Nova). Mirror of code maintained at opendev.org.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:392 commits in 6 years 4 months
Contributions summary:Alex's commits focused on adapting the quota API to a v3 framework and porting the consoles extension and volume attachments into v2.1. They worked on the core compute service, implementing methods for handling remote consoles and volume management by adapting service extensions. These changes were aimed at aligning the project with the v3 framework and ensuring backwards compatibility while enabling new features, such as the migration to a new release.
novaopendevopenstackcompute
envoyproxy/envoy
Feb 2021 - Dec 2022
Cloud-native high-performance edge/middle/service proxy
Role in this project:Back-end Developer
Back-end DeveloperContributions:1320 reviews, 80 commits, 203 PRs in 1 year 9 months
Contributions summary:Alex primarily focused on improving the functionality and stability of Envoy, a cloud-native edge/middle/service proxy. Their work involved implementing case-insensitive comparisons for DNS names in filter chain matching and subject alternative names of presented certificates, which directly addressed a bug report. Additionally, the user made code modifications to check for virtual host-specific typed per filter configurations, and ensured that HTTP header values were properly hashed. Further improvements included the enablement of the `is_optional` field for HTTP filters and various bug fixes.
nanoservicesmore-catsgolangcontainersproxy
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