Jianneng Li
Co-Founder & CTO at Stealth Startup
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolJianneng Li is a seasoned software leader and serial founder with 12 years of experience building data-intensive products and developer-facing platforms from early-stage startups to Workday-scale analytics. As Co-Founder & CTO at multiple ventures, he has shipped workflow and help-center automation tools and is now building an AI-driven patient experience for elective care, bringing product instincts to technical execution. His background includes improving Apache Spark and end-to-end analytics platforms at Workday and Platfora, giving him deep expertise in large-scale data systems and pragmatic performance engineering. A UC Berkeley M.Eng. and Cornell CS alumnus, he combines academic rigor with rapid prototyping—historically turning ideas into complete web apps overnight—and shares technical perspectives on his blog, swordandsignals.com.
12 years of coding experience
10 years of employment as a software developer
Master of Engineering (M.Eng.), Computer Science, Master of Engineering (M.Eng.), Computer Science at University of California, BerkeleyEarl Haig Secondary SchoolBachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Cornell University
Github Skills (12)
react9
javascript8
media-keys7
web-development6
driver4
typescript4
nextjs4
apache-spark3
database2
bitlocker2
linux2
windows2
Programming languages (5)
Github contributions (5)
jl982/spark
Nov 2014 - Sep 2020
Mirror of Apache Spark
Contributions:7 commits, 1 PR, 3 pushes in 5 years 11 months
apache-spark
jl982/jl982.github.io
Sep 2020 - Dec 2025
Contributions:2 PRs, 38 pushes in 5 years 4 months
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