Jacob Macdonald
Software Engineer at Google
Kenmore, Washington, United States
Summary
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RockstarJacob Macdonald is a software engineer with 14 years of experience focused on Dart, Flutter, and web tooling, currently building at Google from Kenmore, Washington. He has deep open-source chops across flagship projects like the Dart SDK, AngularDart, Flutter, and the pub/build ecosystems, contributing fixes, performance improvements, null-safety migrations, and build/test infrastructure enhancements. Jacob’s work spans full-stack concerns—transformers and benchmarks for front-end frameworks to back-end compiler and tooling improvements—demonstrating a knack for strengthening developer workflows and build systems. Known for pragmatic refactors and thoughtful logging, error handling, and testing contributions, he quietly improves developer velocity across large codebases.
15 years of coding experience
4 years of employment as a software developer
Github Skills (48)
test-automation10
dependency-management10
javascript10
angulardart10
mobile-development10
compilation10
flutter-apps10
null-safety10
testing10
macros10
command-line-interface10
http10
cicd10
compiler-design10
language-design10
Programming languages (12)
Github contributions (5)
dart-lang/build
Jan 2016 - Jan 2023
A build system for Dart written in Dart
Role in this project:
Back-end Developer
Back-end DeveloperContributions:73 releases, 508 reviews, 903 commits in 7 years 1 month
Contributions summary:Jacob primarily contributed to the codebase by improving the logging functionality of the build system. They implemented changes to enhance logging by improving its general structure, and adjusting behavior so that info logs can overwrite each other. The user also worked on implementing code to stop build tasks gracefully based on updates, and improved overall stability. This was evidenced by modifications to build-related files.
build-systemdartdart-build-system
dart-lang/test
Aug 2016 - Jan 2023
A library for writing unit tests in Dart.
Role in this project:Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:20 releases, 542 reviews, 146 commits in 6 years 6 months
Contributions summary:Jacob primarily focused on improving the testing infrastructure of the `test` package. Their contributions included adding new test cases for `pub serve` and incorporating Dart2JS tests. They also fixed strong mode errors and refactored the bootstrap code for VM, browser, and node tests. Furthermore, the user streamlined the handling of precompiled tests and addressed issues with the JSON reporter.
dartunit-test
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