Quinlan Jung
Software Engineer at Expo, Inc
Palo Alto, California, United States
Summary
🤩
Rockstar🎓
Top SchoolQuinlan Jung is a software engineer with 13 years of experience building scalable, production-quality systems across mobile, distributed storage, and analytics. Based in Palo Alto, he currently contributes to Expo where he ships native Android features and improves build/submit tooling, and has made notable open-source contributions to Expo’s eas-cli and core SDK—tackling GraphQL codegen cleanups and build workflow improvements. His background includes systems-level work at Amazon EBS and analytics product development at Amplitude, plus academic research at Stanford on an authentication scheme resilient to coercion. Quinlan combines deep backend and native mobile expertise with a researcher's attention to security and usability, often addressing subtle engineering debt that unlocks smoother developer and user experiences.
13 years of coding experience
2 years of employment as a software developer
Bachelor of Science (BS), Computer Science, 4.0, Bachelor of Science (BS), Computer Science, 4.0 at The University of British ColumbiaMaster's degree, Computer Science, Master's degree, Computer Science at Stanford University
Stackoverflow
182reputation
10kreached
13answers
3questions
Github Skills (25)
ios10
mobile-development10
react-native10
expo10
typescript10
android-development10
wpgraphql10
java10
javas10
code-generation10
android10
wordpress-graphql10
typescript-types10
mobile10
graphql10
Programming languages (8)
Github contributions (5)
expo/eas-cli
Nov 2020 - Jan 2023
Fastest way to build, submit, and update iOS and Android apps
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:187 reviews, 159 commits, 395 PRs in 2 years 2 months
Contributions summary:Quinlan's commits primarily involved modifications to the generated GraphQL code, addressing "pesky Maybe types" and other cleanup tasks, which involved substantial edits to the generated code. Further contributions included adding new generated fragment types and making a range of code changes within the GraphQL code generation process. The user also made adjustments to the build and submission workflow, ensuring a smoother and more efficient build.
manifestapp-storeappstorefastestsubmit
expo/expo
Aug 2017 - Apr 2022
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:123 reviews, 148 commits, 143 PRs in 4 years 8 months
Contributions summary:Quinlan primarily contributed to the Android codebase, focusing on bug fixes and feature implementations within the Expo framework. They addressed a bug in the development mode and added a brightness module, including permissions and UI interactions, suggesting a focus on native Android module development. The user also made changes related to release channels and the build process for Android shell apps.
ios-androidiosmobileweexframework7
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