Hiring: Pre-training Research Engineer Company: Sciforium Location: San Francisco, CA Job Posted Time: 2026-09-16 23:47:38 Target Skills & Keywords : AI, Deep Learning, Machine Learning, Node.js About the job Experience: •5+ years of experience in machine learning research or engineering, with a proven track record of developing and pre-training large language or multimodal foundation models. Required Skills: •Train large byte-native and multimodal foundation models across massive, heterogeneous corpora. •Implement and evaluate new model architectures, training objectives, and optimization methods. •Develop stable pre-training recipes and run scaling experiments for novel architectures. •Conduct ablations and analyze training dynamics, model behavior, and base-model quality. •Interface directly with data and distributed training engineers to improve training efficiency, reliability, and scalability. •5+ years of experience in machine learning research or engineering, with a proven track record of developing and pre-training large language or multimodal foundation models. •Software Engineering: Strong general software engineering skills, with the ability to write robust and performant training code. •ML Foundations: Solid understanding of deep learning fundamentals and modern pre-training methods and literature. Qualifications: •MS or PhD in Computer Science, Machine Learning, Artificial Intelligence, Mathematics, or a related field. •Medical, dental, and vision insurance •Daily lunch, snacks, and beverages Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!