Alex Wang
Advanced Network Specialist at Alibaba.com
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolAlex Wang is an Advanced Network Specialist and backend-focused software engineer with 10 years of experience building resilient, production-grade distributed systems from Beijing. He leads a team at Alibaba.com that built world-class network fault monitoring, and his prior roles at Ericsson, Nokia, and Motorola reflect deep expertise in cloud, IP, and telecommunications software. A prolific open-source contributor to core Kubernetes projects—including scheduler, scheduler-plugins, kueue, and the kubernetes API—he has driven preemption, coscheduling, capacity scheduling and job queueing improvements that touch cluster scheduling behavior used widely in production. Comfortable across testing, API design, and backend refactors, he brings a pragmatic mix of systems thinking and rigorous QA to ensure scheduler correctness under complex scenarios. He holds a B.S. in Computer Science and an M.S. from Peking University, and quietly pursues "sig-scheduling" work on GitHub aimed at helping more people run reliable workloads at scale.
11 years of coding experience
3 years of employment as a software developer
Master of Science (MS), Computer Application Technology, Master of Science (MS), Computer Application Technology at Peking UniversityBachelor of Science (BS), Computer Science And Technology, Bachelor of Science (BS), Computer Science And Technology at Central South University
Github Skills (22)
kubernetes10
back-end-development10
apidoc10
kubernetes-apiserver10
job-scheduler10
testing10
plugin10
scheduler10
scheduling10
go10
api10
sched10
kube-scheduler10
task-scheduler10
kubernetes-pods10
Programming languages (9)
Github contributions (5)
kubernetes-sigs/scheduler-plugins
Mar 2020 - Jan 2022
Repository for out-of-tree scheduler plugins based on scheduler framework.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:223 reviews, 15 commits, 16 PRs in 1 year 10 months
Contributions summary:Alex contributed significantly to the development of scheduler plugins for Kubernetes, focusing on features related to coscheduling and capacity scheduling. They added and fixed bugs in the coscheduling plugin, particularly addressing permit logic and history cleanup. Furthermore, the user integrated capacity scheduling features within the framework API, indicating a focus on resource management and scheduling optimization.
schedulerk8s-sig-schedulingout-of-tree
kubernetes-sigs/kueue
Feb 2022 - May 2022
Kubernetes-native Job Queueing
Role in this project:Back-end Developer
Back-end DeveloperContributions:232 reviews, 23 commits, 17 PRs in 2 months
Contributions summary:Alex primarily focused on modifying and extending the Kubernetes-native Job Queueing system, Kueue. They made changes to the core components of the system, including the queue and scheduler, removing and modifying functionality. Additionally, the user refactored parts of the codebase, moving components and updating API definitions. Finally, they added eventing capabilities for workload and job tracking.
kubernetesqueuingk8s-sig-schedulingk8s
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