Dave Maclachlan
Software Engineer at google
Kirkland, Washington, United States
Summary
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RockstarDave Maclachlan is a seasoned software engineer with 18 years of experience focused on Apple developer tooling, Objective-C/Swift, and build systems. Based in Kirkland, WA, he works on developer infrastructure at Google and has a strong track record of optimizing low-level code for performance and binary size across major open-source projects. His contributions span Protocol Buffers, Bazel, gRPC and notable iOS libraries, where he’s improved threading, memory management, metadata compression, and Apple Silicon build support. Colleagues rely on him to untangle platform-specific issues and modernize testing and build processes—work that often lives behind the scenes but materially improves developer productivity. He combines deep systems-level expertise with practical refactors that reduce duplication and platform quirks, showing a preference for durable, maintainable solutions.
18 years of coding experience
French
Github Skills (51)
unit-testing10
code-optimization10
objective-c10
javascript10
ios10
c-language10
mockk10
multithreading10
protocol-buffers10
testing10
memory-management10
test-framework10
build-system10
ui-design10
c1110
Programming languages (12)
Github contributions (5)
google/google-toolbox-for-mac
Sep 2018 - Jun 2022
Google Toolbox for Mac
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:51 reviews, 47 commits, 111 PRs in 3 years 10 months
Contributions summary:Dave primarily focused on improving the testing infrastructure of the Google Toolbox for Mac repository. Their commits demonstrate work on fixing broken tests, addressing race conditions in multithreaded code, and deprecating legacy testing frameworks like SenTestingKit in favor of XCTest. The user also refactored existing tests to use XCTestExpectations, improving test reliability and maintainability.
toolboxmacosgooglemac
iziz/libPhoneNumber-iOS
Feb 2017 - May 2018
iOS port from libphonenumber (Google's phone number handling library)
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:52 commits, 28 PRs, 26 pushes in 1 year 2 months
Contributions summary:Dave focused on migrating the project to using compressed JSON for metadata. They made changes to the testing and metadata header files related to the compression and handling of this data. The user also revamped script steps to remove them from build steps in the Xcode project. This likely involved updating build processes to support the new compressed metadata format.
cocoapodsobjective-cphone-numberphonegoogle-libphonenumber
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