Kathryn Baldauf
Software Engineer at Apple
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolKathryn Baldauf is a software engineer with 10 years of experience specializing in container runtimes and cloud-native compute, currently building container services at Apple after a multi-year tenure on Microsoft's Container Platform team. She has deep hands-on expertise in backend and DevOps work—contributing significant enhancements to high-profile open-source projects like containerd and microsoft/hcsshim around shim functionality, event handling, and platform support for Windows and LCOW. A UT Austin CS graduate (3.9 GPA), Kathryn blends systems-level engineering with practical debugging and introspection features, including adding guest stack retrieval and image chain tooling. She’s comfortable across Linux and Windows container ecosystems and brings a track record of shipping reliable runtime features that improve observability and platform interoperability. Colleagues would note her knack for turning low-level runtime complexity into testable, maintainable code and her quiet focus on developer-friendly tooling.
10 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Computer Science, 3.9, Bachelor’s Degree, Computer Science, 3.9 at The University of Texas at Austin
Github Skills (17)
kubernetes10
docker10
apidoc10
dockers10
kernel10
occi10
containerd10
go10
api10
kubernetes-pods10
windows-kernel10
debug9
debugging9
containerization9
cnc9
Programming languages (4)
Github contributions (5)
microsoft/hcsshim
Aug 2019 - Jan 2023
Windows - Host Compute Service Shim
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 1374 reviews, 276 commits in 3 years 5 months
Contributions summary:Kathryn's contributions primarily revolved around extending the `hcsshim` repository, which provides an interface to the Windows Host Compute Service. Their work involved adding functionalities related to retrieving guest stacks for debugging, including new request and response types, and implementing a call to the `opengcs` bridge to access guest stack information. The user added code to support updates to the UVM memory. Additionally, changes were made to the installation process of drivers and their handling in the LCOW runtime.
shimwindowshostcompute
containerd/containerd
Aug 2019 - Oct 2022
An open and reliable container runtime
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:36 reviews, 9 commits, 16 PRs in 3 years 2 months
Contributions summary:Kathryn Baldauf contributed to the containerd project by implementing features and addressing issues related to the container runtime's functionality. Her commits demonstrate a focus on enhancing shim functionality, particularly regarding event publishing and reconnection mechanisms. She also worked on integrating introspection services and adding platform support validation during image unpacking. Furthermore, she introduced a new flag to images pull to print the image chain ID and updated tests.
containersisolationcontainerdrustruntime
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