James Pak is a seasoned machine learning engineer with extensive experience in optimizing search ranking and monetization models across prominent tech companies. Currently serving as a Staff Machine Learning Engineer at Coupang, James focuses on enhancing search ranking models and driving LLM-based text embedding initiatives. Previously, James held a Senior Machine Learning Engineer position at TikTok, where advancements in ads core ranking and user representation models were achieved. At Microsoft, valuable contributions to growth ranking and content diversity were made, including the fine-tuning of GPT-based models. James's career began with roles at IBM and various internships, where expertise in machine learning and software engineering was developed, complemented by strong academic credentials in computer science from the University of Southern California and Inha University.
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