Linghua Jin
Cofounder & CEO at CocoIndex
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolLinghua Jin is a founder and seasoned software leader with 13 years building full‑stack products across web, mobile, games, and large-scale data systems, currently leading CocoIndex to deliver AI-native, realtime incremental ETL infrastructure. Previously a Staff Software Engineer and tech lead at Google working on Research Health AI and clinician-facing data harmonization, she combines deep infra experience with a frontend-first engineering sensibility. She has shipped isomorphic HTML5 apps, React/React Native products, native Android games, and backend services in Node.js, Rails and Grails, operating production databases like MySQL, MongoDB and Couchbase. Her career spans startups and enterprise teams—WalmartLabs, Pear VC fellowship, and an indie game studio—demonstrating both product instinct and execution at scale. An ex-Google infra lead and active open-source maintainer of CocoIndex, she brings a fast learning cycle and an appetite for new technologies and performance optimization. Based in San Francisco and grounded in research experience from UPenn and Fudan, she bridges academic rigor with hands-on startup grit.
13 years of coding experience
14 years of employment as a software developer
Fudan UniversityUniversity of Pennsylvania
Stackoverflow
570reputation
918kreached
4answers
20questions
Github Skills (109)
dataflow10
python10
semantic-search10
streaming10
knowledge-graph10
ai10
pipeline10
rust10
data-infrastructure10
angularjs10
indexing10
llm10
data-engineering9
data-processing9
etl9
Programming languages (9)
Github contributions (5)
cocoindex-io/cocoindex
Mar 2025 - Apr 2025
ETL framework to index data for AI, such as RAG; with realtime incremental updates and support custom logic like lego.
Contributions:14 releases, 7 reviews, 377 PRs in 29 days
aichange-data-capturedatadata-engineeringdata-indexing
badmonster0/react-progress-deck
Jul 2015 - Sep 2015
Contributions:47 commits, 38 pushes, 2 branches in 2 months
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