Justice Adams
Software Engineer at Apple
Cupertino, California, United States
Summary
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RockstarJustice Adams is a software engineer based in Cupertino with three years of hands-on experience in compiler tooling, build automation, and release engineering, currently contributing at Apple. He focuses on build and CI infrastructure for the Swift project, improving cross-platform toolchains, CMake configurations, and caching to streamline compilation and packaging. Justice also drives backend and DevOps improvements in the Swift source compatibility suite—migrating Python 2 to 3, adding JUnit test output, and parallelizing builds to make large-scale testing more reliable. Outside work he’s a video gamer and dog lover who brings practical curiosity to messy systems-level problems, favoring small, maintainable fixes that prevent future build pain.
3 years of coding experience
Github Skills (16)
git10
configurations10
swift10
cmake10
chain10
python10
build-automation10
toolchain10
cicd9
testing9
python-multiprocessing8
multi-process8
multiprocessing8
json7
c-language4
Programming languages (5)
Github contributions (5)
swiftlang/swift-source-compat-suite
Jul 2022 - Jan 2023
The infrastructure and project index comprising the Swift source compatibility suite.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:60 reviews, 43 commits, 134 PRs in 6 months
Contributions summary:Justice's contributions primarily focused on migrating the project from Python 2 to Python 3, updating various scripts and dependencies to support the new version. They also improved the project's infrastructure by utilizing context managers for file handling and fixing byte encoding issues. Furthermore, the user added a feature to generate JUNIT results for build testing. Additionally, the user parallelized the project builds and made the process count configurable.
indexinfrastructureswiftsuitecompatibility
swiftlang/swift
Aug 2022 - Mar 2025
The Swift Programming Language
Role in this project:Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:21 reviews, 50 PRs, 35 pushes in 2 years 7 months
Contributions summary:Justice's contributions primarily revolve around configuring and enhancing the build and release processes for the Swift programming language. They added toolchain and cache files for various Darwin platforms, ensuring proper compilation and linking. Additionally, the user addressed code formatting issues and included plist files for specific platforms, likely to support application packaging. The user has also worked on modifying CMake configuration files to update build flags and variables for several platforms.
swift-programmingswift-programming-languageprogramming-languageswift
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