Member of Technical Staff - ML Training Systems

📋 Description We are looking for strong engineers with experience training production machine learning models. Contribute to open-source projects and evolve Modal's infrastructure to train the next generation of language models. 🎯 Requirements 5+ years of experience writing high-quality, high-performance code. Experience with torch and high-level training frameworks (HuggingFace, verl, slime) ML training optimization: reduce data loading bottlenecks, overlap compute, off-policy rollouts Nice-to-have: familiarity with Linux kernel, file systems, containers Ability to work in-person, in our NYC or San Francisco office. Ability to participate in on-call rotation and respond to production incidents.