Ryan Mast
Software Developer at Lawrence Livermore National Laboratory
Palo Alto, California, United States
Summary
🤩
Rockstar🎓
Top SchoolRyan Mast is a software developer with 13 years of experience based in Palo Alto, currently building and maintaining critical build and release infrastructure at Lawrence Livermore National Laboratory. He has deep expertise in package management and automation—contributing to high-profile open source projects like microsoft/vcpkg, spack, and JuliaPackaging’s Yggdrasil to keep C++ and scientific libraries up to date across platforms. Ryan also extended Go tooling for GitHub Actions, adding runner and workflow job support, demonstrating a strong backend and API integration skillset. His background in embedded systems and firmware reverse engineering from UC San Diego complements his release engineering focus, giving him a practical appreciation for low-level details that impact reproducible builds. Known for pragmatic, fast delivery (e.g., shipping a working Python iTunes integration in one week), he blends research-rooted rigor with hands-on automation craftsmanship.
13 years of coding experience
2 years of employment as a software developer
University of California San DiegoHenry M Gunn High School
English, Spanish, pirate
Stackoverflow
712reputation
43kreached
33answers
5questions
Github Skills (30)
c-language10
lib10
package-management10
python10
build-system10
cmake10
cicd10
automation10
pbuilder10
go10
github-api10
build-automation10
golang10
vcpkg10
build-tools10
Programming languages (25)
Github contributions (5)
google/go-github
Mar 2020 - Sep 2021
Go library for accessing the GitHub v3 API
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 12 commits, 12 PRs in 1 year 6 months
Contributions summary:Ryan contributed significantly to the `google/go-github` repository by implementing support for GitHub Actions runners and adding support for filter parameters to list workflow jobs endpoints. The contributions involved modifying Go code to interact with the GitHub API for self-hosted runner management and workflow job retrieval. These changes enhanced the functionality of the Go library for interacting with GitHub Actions features, which directly supports the repository's goal of providing a Go library for accessing the GitHub v3 API.
golangapigithub-api-v3api-v3go-library
JuliaPackaging/Yggdrasil
Mar 2020 - Dec 2022
Collection of builder repositories for BinaryBuilder.jl
Role in this project:Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:3 reviews, 12 commits, 20 PRs in 2 years 9 months
Contributions summary:Ryan primarily focused on updating the HELICS library version within the BinaryBuilder.jl repository, which is used to build binary packages. They updated the HELICS version across multiple releases, ensuring the latest versions were integrated. Their work included updating the SHA checksums and archive URLs, and they were also involved in adapting build scripts to support new features and platform configurations.
repositoriesbinarybuildermonorepobuilderjulia
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