Sofia Nikolakaki is a Staff ML Research Scientist with a decade of experience building recommendation and personalization systems, currently leading generative AI and multi-objective recommendation features for the App Store at Apple. She blends rigorous academic training as a PhD candidate in Computer Science at Boston University with hands-on product impact across senior research roles at Apple and internships at Visa and Electronic Arts. Her research roots in machine learning, data mining, and graph/social network analysis inform practical solutions that scale to customer-facing platforms. Based in San Jose, she excels at translating novel ML ideas into production systems that balance multiple objectives and user experience. Colleagues describe her as a bridge between deep research and product engineering, consistently shipping high-visibility features. An engineer-scholar at heart, she brings both exploratory curiosity and delivery discipline to large-scale ML problems.
10 years of coding experience
5 years of employment as a software developer
Certificate of Graduation, General Lyceum, Certificate of Graduation, General Lyceum at Anatolia College
Master of Science Degree, Electronic and Computer Engineering, 10.00/10.00, Master of Science Degree, Electronic and Computer Engineering, 10.00/10.00 at Technical University of Crete / Πολυτεχνείο Κρήτης
Doctor of Philosophy (Ph.D.), Computer Science, Doctor of Philosophy (Ph.D.), Computer Science at Boston University
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Sofia Nikolakaki - Staff ML Research Scientist at Apple