Phillip Wittrock
Software Engineer at NVIDIA
Issaquah, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolPhillip Wittrock is a seasoned software engineer with 11 years of experience building and operationalizing cloud-native infrastructure, currently applying his expertise at NVIDIA after four years focused on Kubernetes infrastructure at Apple. He is a long-time Kubernetes OSS maintainer and contributor to flagship projects like kubebuilder, controller-runtime, kustomize, and kpt, with deep hands-on experience in controller architecture, CRDs, and CI/CD automation. His background spans large-scale systems at Google—where he led kubebuilder/controller-runtime efforts and sig leadership roles—to modernizing production engineering and monitoring at startups. Phillip blends backend development and DevOps fluency, routinely refactoring injection patterns, improving test reliability, and building tooling that scales across teams. He holds MS and BS degrees in Computer Science from UC Santa Barbara and brings a reputation for reducing flakiness in CI and production test suites—an often-overlooked but high-impact skill.
11 years of coding experience
17 years of employment as a software developer
High School -, High School - at Saint Ignatius College PrepMS Computer Science, MS Computer Science at UC Santa Barbara
English
Stackoverflow
61reputation
7kreached
3answers
0questions
Github Skills (49)
api-rest10
kubernetes10
docker10
controller10
scripting10
api-design10
restful-api10
testing10
kustomize10
command-line-interface10
bash10
kubernetes-operator10
travis-ci10
containerization10
dockers10
Programming languages (14)
Github contributions (5)
kubernetes-sigs/kustomize
Feb 2019 - Feb 2021
Customization of kubernetes YAML configurations
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:21 reviews, 284 commits, 226 PRs in 2 years
Contributions summary:Phillip's contributions primarily focus on enhancing the functionality and maintainability of the Kubernetes YAML configurations. They introduced support for ignoring specific resources using annotations and provided initial support for YAML and resource manipulation using the KYAML library, which likely involved back-end development. Furthermore, the user worked on setting up CI/CD pipelines, including changes to the build scripts and the use of the `kustomize` tools, demonstrating DevOps-related skills.
kubernetesyaml-configurationk8s-sig-cli
kubernetes-sigs/apiserver-builder-alpha
Apr 2017 - Aug 2020
apiserver-builder-alpha implements libraries and tools to quickly and easily build Kubernetes apiservers/controllers to support custom resource types based on APIServer Aggregation
Role in this project:Back-end Developer
Back-end DeveloperContributions:50 releases, 313 commits, 285 PRs in 3 years 4 months
Contributions summary:Phillip implemented and modified core libraries and tools for building Kubernetes API servers. Their contributions included adding, modifying, and generating code for resource configuration, validation, and controllers within the `apiserver-builder-alpha` repository. The commits focused on aligning the project with the latest Kubernetes API server code and updating dependencies. The impact of these changes was to ensure compatibility and improve the functionality of the apiserver-builder tools.
kubernetes-apiserverapiserver-aggregationkubernetesserver-sdkk8s-sig-api-machinery
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