Anton Agafonov is a Staff Software Engineer with 15 years' experience building large-scale trust and safety systems, currently protecting account integrity across Facebook and Instagram from London. He designs detection platforms and ML pipelines that stop credential stuffing, phishing, and other compromise vectors while replacing binary blocks with risk-based challenges to preserve user experience. At Meta he led a multi-year migration of foundational detection infrastructure and introduced URL clustering and anti-cloaking techniques to proactively intercept malicious content. Known for bridging modelling and system design, he combines deep hands-on engineering with cross-functional leadership to deliver reusable security platforms used across products.
15 years of coding experience
8 years of employment as a software developer
MS, Computer Science, MS, Computer Science at Taras Shevchenko National University of Kyiv
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