Sam (Alvin) R is an experienced AI and machine learning engineer currently serving as a Sr AI/ML Engineer at Tempus AI since June 2024, where efforts focus on designing multimodal ML pipelines and fine-tuning clinical LLMs. Prior experience includes a role as Sr Machine Learning Engineer at Plaid, where transaction categorization models were built, enhancing classification accuracy significantly, as well as developing real-time fraud detection systems. Sam also worked at Amazon as a Sr Machine Learning Engineer, contributing to ML labeling tools and workflows, and served as a Sr Software Engineer at Figma, developing critical infrastructure for the developer platform. Early experience includes a role as Software Engineer - ML at Stripe, supporting anti-fraud initiatives. Sam holds a Bachelor of Science in Computer Science from Boston University and a Master of Science in Computer Science from Suffolk University.
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