Joe Isaacson is an engineering leader with 13 years building scalable machine learning teams and production ML software, currently leading PyTorch-focused engineering at Meta. He combines deep applied ML experience—from NLU, recommendation systems, and ads optimization to biotech-grade computational biology and lab automation—with strong infrastructure and product sensibilities. Previously he led ML and data teams at Quora, URX (acquired by Pinterest), and Asimov, shipping search, ranking, A/B testing, and ML pipelines at scale. Known for hiring and growing high-performing teams, he also bridges research and production, having worked on forensic bioinformatics and real-world signal processing at MIT Lincoln Laboratory. Based in Seattle and fluent in Python, he favors pragmatic systems that improve user quality signals and has a track record of navigating acquisitions and cross-functional product impact.
13 years of coding experience
6 years of employment as a software developer
ScB, Applied Mathematics, ScB, Applied Mathematics at Brown University
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Joe Isaacson - Engineering Leader, Machine Learning at Meta