Zilong Song
Machine Learning Engineer - Siri & Search Aiml @Apple
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WORK HISTORY
Machine Learning Engineer - Siri & Search Aiml @Apple
Cupertino, CA, US
Tech Lead for Siri and Search Ranking, took full ownership of the end-to-end ranking flow, including retrieval, model ranking, integration, and performance optimization. Served as the primary technical point of contact for ranking-related development, issue resolution, and cross-team collaboration. Continuously optimized system performance based on deep architectural understanding and production constraints, including the integration of LLM-driven components to enhance retrieval and ranking quality. If you ever spot something quirky with Siri & Search — feel free to tell me. Thanks for helping make Siri better!
EDUCATION
Xidian University
Bachelor of Engineering (BEng), Computer Software Engineering
Xidian University
Master of Engineering (MEng), Computer System Architecture
Iowa State University
Master of Science (MS), Computer Science
SKILLS
ABOUT ZILONG SONG
Professional Skills• Programming: Java, GoLang, Python, PHP, Node JS, C/C++• Big Data: Hadoop, Spark, Hive, Pig, MapReduce• Database: SOLR, Redis, MySQL, JDBC, Hibernate• Other: Docker, Kubernetes, Git, Data Structure, Algorithm
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