Joon Lee
Senior Staff Software Engineer, Product Team Lead at Quora
Irvine, California, United States
Summary
👤
Senior🎓
Top SchoolJoon Lee is a product-focused Senior Staff Software Engineer and team lead with 10 years of experience building ML-powered consumer products, currently shaping Poe’s core product and AI strategy at Quora. He leads a 20+ cross-functional team and works directly with the CEO to balance LLM quality, latency, and cost while integrating third-party models across web and mobile platforms. His background spans hands-on ML and feed systems engineering to tech leadership roles at Quora, with early experience building iOS apps and VR visualizations during his Caltech years. Comfortable bridging research, evaluation, and product execution, he’s known for turning generative AI capabilities into reliable, user-facing features at scale.
10 years of coding experience
5 years of employment as a software developer
California Institute of TechnologyTechnical University of Denmark
English, Korean, Spanish
Github Skills (28)
python9
machine-learning9
tensorflow9
deep-learning9
neural-network8
r8
data-science8
parallel7
ml7
data-mining7
deep-neural-networks7
classification7
kaggle7
lightgbm6
gradient6
Programming languages (3)
Github contributions (5)
hatooku/Hacktech-iOS
Dec 2015 - Apr 2016
Contributions:16 commits, 6 pushes, 1 branch in 4 months
hatooku/foodfeud
Nov 2015 - Apr 2016
Contributions:44 commits, 42 pushes, 1 branch in 5 months
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