Jin Cao
Staff Android Engineer And Frontend Tech Lead For Prediction Market Futures at Robinhood
United States
Summary
🤩
Rockstar🎓
Top SchoolJin Cao is a Staff Android Engineer and Frontend Tech Lead at Robinhood with 10 years of experience building high-impact mobile and frontend systems, currently driving the Prediction Market and Futures UX. He rose through engineering and management roles at Robinhood—scaling Android and Onboarding teams and architecting an API-driven UI framework used for signup flows—and earlier shipped Android work at Google and internships at Facebook and Microsoft. A hands-on engineer and leader, Jin contributes notable open-source Android libraries (including a popular confetti particle system and Robinhood’s ticker view) that demonstrate attention to animation, performance, and API design. He combines deep platform expertise with product-minded shipping velocity, and has a track record of reorganizing code and navigation patterns to enable team scale. Uncommonly, he pairs production Android leadership with low-level performance experience from GPU research and large-app optimization.
10 years of coding experience
10 years of employment as a software developer
Bachelors of Science in Engineering, Computer Information Science, Bachelors of Science in Engineering, Computer Information Science at University of Pennsylvania
Github Skills (11)
javas10
android-ui10
animation10
android10
java10
customisation9
text-rendering9
custom-view9
custom-ui9
ui-customization9
ui-design8
Programming languages (2)
Github contributions (5)
robinhood/ticker
Jul 2016 - Nov 2021
An Android text view with scrolling text change animation
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:9 releases, 54 commits, 64 PRs in 5 years 4 months
Contributions summary:Jin primarily contributed to the development of an Android text view component with scrolling text change animation. Their work involved implementing features such as gravity support, text appearance customization, and text shadow. The user also focused on optimizing the measurement and layout behavior of the view, including re-measuring after animations and adding support for arbitrary characters. Moreover, they addressed lint warnings and fixed bugs.
androidanimationandroid-uiandroid-animation
jinatonic/confetti
Aug 2016 - Aug 2020
An Android particle system library for displaying confetti!
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:2 releases, 39 commits, 11 PRs in 4 years 1 month
Contributions summary:Jin primarily contributed to the `confetti` Android library, revamping its architecture to improve the emission scheme. They reorganized the `MainActivity` to accommodate various sample applications. The user also added samples, including those that demonstrate falling from a point and touch and drag functionality and added the "shimmering" effect to the samples. Further improvements included the addition of an animation listener and support for features like TTL and fade out effects.
androidparticle-systemandroid-animationandroid-ui
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