Kathryn Spiers is a security-focused software engineer with 11 years of experience in the San Francisco Bay Area, blending hands-on DevOps and backend work with a passion for containers, cryptography, and FLOSS. She has contributed to high-profile open-source projects like Docker CLI and Notary, improving end-to-end testing, CLI UX (fish completions), and trust/certificate handling to make container signing and verification more robust. Her background includes security roles at Google and hands-on internships at Docker, giving her practical experience across product-scale security and developer tooling. Known for improving test infrastructure and fault-tolerant key management, she brings a pragmatic, security-first mindset to developer-facing systems while advocating for open-source collaboration.
Notary is a project that allows anyone to have trust over arbitrary collections of data
Role in this project:
Backend Developer
Contributions:9 commits, 11 PRs, 19 comments in 7 months
Contributions summary:Kathryn primarily contributed to the backend of the `notary` project, making changes to the core certificate generation and trust management features. They modified code to handle user input timeouts, added error typing, and fixed key import issues. Their work focused on improving the robustness and usability of the Notary project.
Contributions:23 commits, 7 PRs, 24 comments in 7 months
Contributions summary:Kathryn primarily contributed to the end-to-end testing infrastructure within the Docker CLI repository. They added end-to-end tests using Go, focused on verifying the functionality of the `docker trust sign` command. They also refactored existing end-to-end tests, improving test fixtures and overall test structure. Furthermore, they added fish completions for the docker trust and other subcommands, enhancing the user experience with command-line completion.
dockerdocker-clicli
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