Hannah Jin
Software Engineer at Google
Sunnyvale, California, United States
Summary
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RockstarHannah Jin is a software engineer with three years of professional experience based in Sunnyvale, California, currently at Google. She focuses on mobile and full-stack Flutter development, contributing notable accessibility and UI improvements to high-profile open-source projects like flutter/flutter and flutter/engine. Her work includes adding animation controls, migrating components to Material 3, and enhancing Android accessibility handling—demonstrating strong attention to both polish and inclusivity. Hannah also contributes to package tooling such as go_router_builder, improving compatibility and code generation for real-world routing scenarios. She blends production engineering at a top tech company with impactful open-source contributions that improve developer ergonomics and end-user accessibility.
3 years of coding experience
Github Skills (19)
accessibility10
mobile-development10
flutter-apps10
ui-design10
java10
javas10
uid10
code-generation10
front-end-development10
android10
gorouter10
flutter-game10
dart10
flutter10
debug9
Programming languages (2)
Github contributions (5)
flutter/packages
Nov 2022 - Mar 2025
A collection of useful packages maintained by the Flutter team
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:175 reviews, 15 PRs, 4 pushes in 2 years 4 months
Contributions summary:Hannah primarily contributed to the `go_router_builder` package, which is a code generation tool for the `go_router` Flutter package. Their work involved implementing features like supporting the latest `go_router` version, adding support for `StatefulShellRoute`, including fallback mechanisms for nullable parameters within query parameters. Further contributions encompassed bug fixes and updates, which enhanced the library's functionality and compatibility.
flutterdart
flutter/flutter
Jul 2022 - Dec 2022
Flutter makes it easy and fast to build beautiful apps for mobile and beyond
Role in this project:Mobile Developer
Mobile DeveloperContributions:185 reviews, 20 commits, 142 PRs in 5 months
Contributions summary:Hannah made several commits focused on enhancing the `flutter/flutter` repository, specifically related to improving the functionality and semantics of Flutter widgets. Their work included adding a `snapAnimationDuration` parameter to `DraggableScrollableSheet` for improved animation control, as well as migrating `InputDecorator` and `TextField` to Material 3. They also addressed semantics issues in `TextField` and improved the handling of touch events, showcasing expertise in UI development and accessibility.
skiaiosmobilemobile-gamemacos
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