jonathan liu
California, United States
Summary
👤
SeniorJonathan Liu is a San Francisco-based software founder and engineer with nine years of experience building scalable web applications and open-source infrastructure. As Co-Founder and CTO of Schej and a YC-alum founder of pixa (YC F24), he blends hands-on full-stack development with product leadership and open-source observability. He co-founded Timeful, an open-source scheduling platform that visualizes group availability with heatmaps, and has led small teams to ship features at pace across startups. At AppLovin, he built an internal permissions tool that enabled 1,500+ permissions and developed a high-traffic, reusable React search component for a page with 6.8 million monthly visits. His background spans founding ventures like AssignHub and Intellecture, participation in USC's LavaLab, and research work in volumetric video, reflecting curiosity across product, systems, and user-focused engineering. A USC CS graduate, he translates ambitious ideas into reliable production systems while navigating the startup ecosystem with a founder's grit.
10 years of coding experience
Github Skills (81)
feature-flags10
session-replay9
javascript9
recording9
posthog9
testing9
a-b-testing9
python9
data-warehouse9
web-analytics9
ab-testing9
react9
cdp9
analytics9
typescript9
Programming languages (9)
Github contributions (5)
schej-it/schej.it
May 2022 - Jan 2023
schej helps you quickly find the best time for your group to meet. It's like When2meet with Google Calendar integration!
Contributions:2 reviews, 281 commits, 144 PRs in 8 months
scheduling
AssignHub/AssignHubWebsite
Oct 2020 - Oct 2022
Full-stack web app allowing students to keep track of their assignment deadlines with automated syllabus parsing
Contributions:3 reviews, 311 commits, 58 PRs in 2 years
reactkeepfull-stackparsingdeadlines
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