Yibo Zhuang

San Jose, California, United States

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Summary

🤩

Rockstar

🎓

Top School

Yibo Zhuang is a senior software engineer with 10 years of experience based in San Jose, currently at NVIDIA after a multi-year tenure building cloud and container infrastructure at Apple. He brings strong expertise in Go, Swift, Python, and Rust, and a deep focus on containers, Kubernetes, and scalable stateful services. At Apple he architected and implemented a secure container runtime entirely in Swift and led its open-source announcement at WWDC25, while also driving kata-containers adoption and storage optimizations for direct-attached volumes. An active open-source contributor, he has improved Kubernetes scheduling and volumebinding logic and added fsGroup and volume-stats support to Kata Containers. His early work in hardware and low-level software (FPGA, silicon verification, modem firmware) gives him a rare full-stack perspective that steers pragmatic performance and cost optimizations for production AI/ML workloads.

10 years of coding experience

12 years of employment as a software developer

Dr. Norman Bethune C.I.

Bachelor of Applied Science (B.A.Sc.), Computer Engineering, Bachelor of Applied Science (B.A.Sc.), Computer Engineering at University of Waterloo

English, Chinese

Github Skills (32)

kubernetes-pod10

kubernetes10

container10

protobufs10

testing10

containers10

scheduler10

scheduling10

go10

sched10

kube-scheduler10

protobuff10

protobuf310

protobuf10

test-automation10

Programming languages (5)

HCLTypeScriptRustJavaScriptGo

Github contributions (5)

kubernetes-sigs/scheduler-plugins

Feb 2022 - Jul 2022

Repository for out-of-tree scheduler plugins based on scheduler framework.

Role in this project:

Backend & Test Automation Engineer

Contributions:14 reviews, 7 commits, 4 PRs in 5 months

Contributions summary:Yibo primarily focused on improving the integration tests within the Kubernetes scheduler-plugins repository. Their work involved refactoring existing tests to leverage the `envtest` framework, simplifying test setup and eliminating dependencies on external testing packages. This included modifications to the `coscheduling_test.go` file, along with changes to core testing components. The user also addressed issues related to PodGroup scheduling and implemented changes to remove caching mechanisms, leading to improved performance and stability.

schedulerk8s-sig-schedulingout-of-tree

kubernetes/kubernetes

Sep 2021 - Nov 2022

Production-Grade Container Scheduling and Management

Role in this project:

Back-end Developer

Contributions:65 reviews, 7 commits, 6 PRs in 1 year 1 month

Contributions summary:Yibo focused on enhancing the volumebinding scheduler plugin within the Kubernetes project. Their contributions primarily involved improving error messages to provide better clarity for users, especially when dealing with PVCs bound to non-existent PVs or when a PVC is in the ClaimLost state. The user also added checks to the PreFilter stage, reducing the number of nodes evaluated during scheduling. Furthermore, the user implemented the StorageInfoLister interface to optimize PVC lookups in the cache.

containersschedulingdockergradeproduction-grade

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