Austin Chen is a serial founder and engineering leader with 14 years of experience building consumer and developer-facing products from idea to production in the San Francisco Bay Area. As cofounder and CEO of Manifund and previously cofounder of prediction market platform Manifold Markets, he blends full-stack engineering chops with product intuition to ship fast, data-driven features like market simulators and Google-authenticated flows. His background includes leading core growth engineering at Streamlit and backend work at Google, showing comfort across TypeScript front-ends, Firebase, and scalable backend systems. Austin has a track record of turning small teams into high-impact products—his early startup reached 200k+ app downloads—and contributes to well-known open-source projects such as Streamlit and Manifold, improving image handling, UI components, and forecasting-related UX. He holds BS and MS degrees in EECS from UC Berkeley, pairing deep technical training with hands-on startup execution.
14 years of coding experience
9 years of employment as a software developer
Master’s Degree, Electrical Engineering and Computer Science, Master’s Degree, Electrical Engineering and Computer Science at University of California, Berkeley
Contributions:148 reviews, 1393 commits, 180 PRs in 1 year 2 months
Contributions summary:Austin initialized and began developing a market simulator from a Vue template. They implemented user authentication and authorization features, including Google login and logout functionality, utilizing Firebase for backend services. The developer also integrated core features of the simulator's functionality, including parsing data from a spreadsheet, calculating weights, probabilities, payouts, and return values, and visualizing these metrics with a chart over time. The user then modified the existing components by changing the UI layout.
Streamlit — A faster way to build and share data apps.
Role in this project:
Front-end Developer
Contributions:268 reviews, 83 commits, 206 PRs in 8 months
Contributions summary:Austin primarily contributed to the front-end development of the Streamlit application. Their work included implementing and refining the st.image and st.set_page_config features. This involved modifying TypeScript components, creating new image handling logic, and integrating with the existing UI framework. Additionally, the user addressed various UI-related issues, such as styling and layout, further enhancing the user experience.
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