Andrew Branch
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolAndrew Branch is a versatile software engineer with 12 years of experience building developer tools and front-end systems from San Francisco. He has shipped features across Microsoft projects including TypeScript, VS Code, App Center and DefinitelyTyped, contributing to core compiler behavior, language-service integrations, and editor completion tooling. His open-source work spans performance-focused React components (react-virtualized) and infrastructure improvements (dtslint, DefinitelyTyped tools), showing comfort across full-stack, back-end, and tooling domains. He is skilled at resolving subtle edge cases—eg. scroll listener and pointer-event bugs in WindowScroller and nuanced TypeScript parser/type-check fixes—bringing attention to correctness and developer UX. With an electrical engineering background from Auburn and experience at Xamarin and Microsoft, he blends low-level rigor with practical web and tooling engineering. Colleagues rely on him to improve maintainability and developer workflows in large, widely used ecosystems.
13 years of coding experience
4 years of employment as a software developer
Bachelor of Electrical Engineering, Electrical Engineering, Bachelor of Electrical Engineering, Electrical Engineering at Auburn University
Stackoverflow
3reputation
2kreached
0answers
1question
Github Skills (57)
visual-studio-code10
editors10
filesystem10
javascript10
react-components10
api-design10
module-loader10
typescript10
typescript-definitions10
vscode-extension10
file-operations10
editor10
react-component10
webpack10
type-system10
Programming languages (16)
Github contributions (5)
arethetypeswrong/arethetypeswrong.github.io
Jan 2023 - Mar 2023
Tool for analyzing TypeScript types of npm packages
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:38 releases, 47 reviews, 56 commits in 1 month
Contributions summary:Andrew primarily contributed to the frontend development of the tool, addressing UI/UX issues and implementing new features. They refactored the UI, fixed display issues on iOS, improved the table rendering and horizontal scroll. Furthermore, the user also worked on integrating the core logic within the web application. They also improved the codebase by adding a changelog and updating the styling.
npm-packagetypescript-types
microsoft/TypeScript
Apr 2019 - Jan 2023
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Role in this project:Back-end Developer
Back-end DeveloperContributions:2263 reviews, 534 commits, 1344 PRs in 3 years 10 months
Contributions summary:Andrew primarily worked on TypeScript and the TypeScript compiler. They contributed to features related to type-checking, including handling and destructuring void types in various contexts, adding and adjusting tests for these functionalities, and addressing edge cases related to the parsing of arrow functions within conditional expressions. Their work involved refining syntax parsing, improving code generation, and implementing code fixes.
javascripttypescripttypechecker
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