Lily Ballard
Software Engineer at Apple
San Leandro, California, United States
Summary
🤩
Rockstar🎓
Top SchoolLily Ballard is a seasoned software engineer with 21 years of experience building production-grade software across Apple, Twitch, Postmates and numerous open-source projects. Based in the Bay Area, she specializes in systems and tooling for macOS and iOS, but has evolved into a Rustacean and Nix enthusiast who contributes to core Rust tooling and libraries. Her background includes shipping platform-level features—WebKit rendering at Apple, mobile platform tooling at Twitch, and dependency/build improvements for projects like Carthage—alongside deep low-level bug fixes and performance work in Swift and C/Objective-C. Lily is an active open-source maintainer and contributor to well-known projects such as OpenEmu, fish-shell, and rust-random, often improving robustness, CI/build flows, and developer-facing ergonomics. Colleagues rely on her for pragmatic refactors, careful memory and concurrency fixes, and thoughtful automation that keeps large codebases healthy.
21 years of coding experience
13 years of employment as a software developer
Computer Science, Computer Science at Worcester Polytechnic Institute
Stackoverflow
184,069reputation
13.6mreached
1,487answers
7questions
uilabel
top-5%
dictionary
top-5%
regex
top-1%
uiview
top-5%
oop
top-5%
grand-central-dispatch
top-5%
Github Skills (140)
scroll10
package-management10
vimscript10
testing10
command-line-interface10
bots10
file-operations10
cocoa10
ubuntu10
ruby10
package-manager-tool10
lua10
singleton10
build-automation10
coreanimation10
Programming languages (38)
Github contributions (5)
rust-lang/rust.vim
Feb 2014 - Oct 2019
Vim configuration for Rust.
Role in this project:
Backend Developer
Backend DeveloperContributions:28 commits, 3 PRs, 17 comments in 5 years 9 months
Contributions summary:Lily primarily focused on enhancing the Vim configuration for Rust. They made several modifications to the syntax highlighting, including adding and updating keywords related to Rust's features, such as traits, types, and box expressions. Furthermore, the user addressed indentation issues and implemented commands to run and expand Rust code directly from Vim. These changes improved the usability and functionality of the Rust plugin.
rustneovimvimvim-configuration
defunkt/github-gem
May 2008 - Jul 2008
`github` command line helper for simplifying your GitHub experience.
Role in this project:Back-end Developer
Back-end DeveloperContributions:93 commits in 2 months
Contributions summary:Lily primarily focused on improving the `github-gem` command-line tool by enhancing its functionality and robustness. They addressed error handling by adding checks for missing remotes and non-GitHub URLs, improving user feedback. They also refactored the URL parsing logic to be stricter and more flexible, accommodating various URL formats, including SSH-based URLs. Furthermore, the user contributed to the test suite, expanding it to cover new scenarios and ensure the correctness of the changes.
github-botexplorerelease-managementsimplifyingcommand-line
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