Donald Isaac
Founding Engineer at Hanover Park
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolDonald Isaac is a Full-Stack Founding Engineer with nine years of hands-on experience building high-performance web systems and a particular interest in hardware acceleration. Based in New York, he blends frontend and backend expertise—shipping performance-focused features from React SSR improvements to parser and build fixes in the Bun runtime. An active open-source contributor, he has made notable linting and minification enhancements to the popular oxc Rust-based JavaScript tooling and fixed parsing and memory issues in the Bun project. He started coding at 14 and brings a strong tooling mindset (TypeScript, Zig, Rust) and a liking for linters that drive code quality. Comfortable in startup and enterprise contexts, he has a track record of improving load times, streamlining builds, and modernizing legacy systems with pragmatic engineering.
9 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Drexel UniversityBachelor of Science - BS Computer Science and Sociology, Bachelor of Science - BS Computer Science and Sociology at University of MarylandBethesda-Chevy Chase High School
Github Skills (19)
javascript10
typescript10
rule-engine10
compiler-compiler10
zig10
typescript-types10
minifier10
linter10
compiler10
rust10
rule10
typescripts10
parserator9
parser9
cprogramming-language8
Programming languages (15)
Github contributions (5)
oxc-project/oxc
Jul 2023 - Jan 2025
⚓ A collection of JavaScript tools written in Rust.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:613 reviews, 557 PRs, 1154 pushes in 1 year 6 months
Contributions summary:Donald primarily contributes to the `oxc-project/oxc` repository by implementing and improving the linting and minification tools. Their work includes adding new rules to the linter, such as `no-obj-calls`, `no-control-regex`, and `no-useless-constructor`, and incorporating features like automatic fixers. They also refactored and improved existing code related to semantic analysis and minification, including code removal optimizations and constant expression folding. These contributions span across multiple areas of the project, including both linting and minification functionality.
compilerjavascriptlinterminifierparser
oven-sh/bun
Oct 2024 - Apr 2025
Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one
Role in this project:Back-end Developer
Back-end DeveloperContributions:122 reviews, 198 PRs, 500 pushes in 5 months
Contributions summary:Donald primarily contributed to the parser and build process of the Bun JavaScript runtime. Their work focused on fixing a bug related to mismatched JSX opening and closing tags, indicating involvement with the language's parsing capabilities. Further contributions involved dependency updates within the BoringSSL library, including re-enabling a specific function. They also fixed a double free in a test, showcasing work in code management and testing.
runtimeexecutablejavascriptpackage-manageresmodules
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