Description
Roblox is hiring a Machine Learning Infrastructure Engineer for its Ads & Discovery business to design, build, and operate large-scale ML infrastructure for training, inference, feature engineering, and production serving. The role focuses on scalable, reliable, and cost-effective systems supporting recommendation, search, and agentic applications, with hands-on work in distributed training, low-latency inference, GPU optimization, and modern ML tooling such as FSDP, vLLM, SGLang, CUDA, and custom kernels. The position is based in San Mateo, California, is hybrid onsite during the week, requires 5+ years of ML systems experience and 3+ years leading ML infrastructure engineers, and offers a $295,250-$345,040 annual salary plus equity and benefits for full-time employees.
