Lucas Freitas-groff
Staff Machine Learning Engineer at Meta
Palo Alto, California, United States
Summary
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Senior🎓
Top SchoolLucas Freitas-groff is a Staff Machine Learning Engineer based in Palo Alto with 13 years of experience building large-scale ML systems and recommendation engines across Meta, Google, and Pinterest. He has led and scaled integrity teams at Meta that prevent abuse, and previously improved YouTube engagement through notification scoring models that materially increased daily opens and DAUs. Comfortable across the full stack, Lucas has shipped production backends, data pipelines, and mobile-first product features, and even prototyped a consumer marketplace MVP as a solo technical co-founder. He combines hands-on model development with product-driven thinking—identifying edge-user needs and improving experiences for underrepresented groups—and brings a Harvard CS background and proven track record of turning analytics into impactful product outcomes.
13 years of coding experience
10 years of employment as a software developer
Bachelor of Arts (BA) Computer Science Honors, Bachelor of Arts (BA) Computer Science Honors at Harvard University
English, Portuguese, Spanish, Chinese, JapaneseGithub contributions (5)
lucasdgf/cs187
Mar 2013 - Apr 2013
Contributions:6 commits in 1 month
lucasdgf/nova_server
Sep 2016 - Sep 2016
Contributions:12 pushes, 1 branch in 4 days
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