Jonathan Koren
Senior Software Engineer - Tech Lead at Apple
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolJonathan Koren is a Senior Software Engineer and tech lead in San Jose with 12 years of experience building production AI/ML and large-scale recommendation systems across startups and major tech companies. He has led and grown high-performing ML teams at Mozilla Pocket and guided cross-functional strategy at product and executive levels to deliver privacy-aware personalization and content quality features. Jonathan has deep hands-on expertise shipping end-to-end data products—from knowledge base construction and real-time inference engines to model deployment and experiment-driven optimization—shipped at LinkedIn, Facebook, Ozlo, and now Apple. He pairs research-backed thinking from a UCSC PhD background with pragmatic engineering, having migrated real-time systems, implemented explore-exploit ranking, and automated validation pipelines. Notably, he focuses on automation, optimization, and privacy, often prioritizing solutions that improve user experience while minimizing data exposure.
12 years of coding experience
14 years of employment as a software developer
ms, computer science, ms, computer science at Southern Illinois University, CarbondaleUniversity of California Santa Cruz
Stackoverflow
61reputation
24kreached
1answer
1question
Github Skills (84)
swiftui10
thunderbird9
swift9
firefox-webextension9
wordnet9
api8
firefox-addon8
ios8
cython7
laravel7
pocket7
firefox7
mastodon7
python7
nlp7
Programming languages (8)
Github contributions (5)
jonathankoren/markovflags
Dec 2017 - Dec 2023
Contributions:8 pushes, 4 branches in 6 years 1 month
jonathankoren/imlibsetroot
Apr 2014 - Jun 2016
Contributions:18 commits, 3 PRs, 10 pushes in 2 years 2 months
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