Jason Simmons
Software Engineer at Google
Mountain View, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJason Simmons is a seasoned software engineer with 15+ years at Google building systems from low-level networking and Android ports to consumer mobile apps and backend services. He brings deep expertise in Android and text rendering—contributing to high-profile open source projects like Flutter and Skia where he optimized font handling, variable fonts, RTL layout, and performance-sensitive rendering paths. His career spans platforms, device bring-up, Linux driver development, multimedia processing, and synchronized multi-room playback, showing an unusual breadth from hardware-near code to user-facing mobile features. Based in Mountain View, he combines pragmatic bug-fix work with architecture-level changes that improve robustness and performance across stacks. An Harvard computer science alumnus, he’s known for quietly tackling tricky edge cases (like accurate text bounds and animated image handling) that materially improve developer and user experience.
15 years of coding experience
4 years of employment as a software developer
A.B., Computer Science, A.B., Computer Science at Harvard University
Github Skills (43)
platformio10
deco10
c-language10
fonts10
layout10
system-programming10
platform-sdk10
flutter-apps10
textbox10
virtual-machine10
decode10
android-development10
java10
plugin10
javas10
Programming languages (7)
Github contributions (5)
flutter/engine
Sep 2015 - Jan 2023
The Flutter engine
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1022 reviews, 1117 commits, 2211 PRs in 7 years 5 months
Contributions summary:Jason contributed to the Flutter engine, focusing on improvements to text rendering. Their commits involve changes to support variable fonts, right-to-left text, and improvements in text layout and display. The user also worked on ensuring the display of more accurate text bounds and the correct positioning of glyphs. The contributions demonstrate an understanding of text rendering within the Flutter framework.
flutterflutter-enginec-plus-plus
flutter/plugins
Oct 2017 - Dec 2022
Plugins for Flutter maintained by the Flutter team
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:1 review, 10 commits, 17 PRs in 5 years 2 months
Contributions summary:Jason primarily contributed to the Android implementations of various Flutter plugins within the repository. Their work focused on fixing bugs related to shared preferences, image picking, and the android alarm manager. The user also addressed issues related to thread handling and method call results, ensuring proper execution on the platform thread. Furthermore, the user improved the path provider plugin by fixing misaligned enum values.
dartandroidpluginflutter-pluginios
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.