Machine Learning Infrastructure Engineer

Character AI • Redwood City, CA

74d

About The Position

We're looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research. Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventures. In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year-a testament to our innovative technology and visionary approach. Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!

Requirements

• 4+ years of experience supporting the infrastructure within an ML environment
• Experience in developing tools used to diagnose ML infrastructure problems and failures
• Experience with cloud platforms (e.g., Compute Engine, Kubernetes, Cloud Storage)
• Experience working with GPUs

Nice To Haves

• Experience with large GPU clusters and high-performance computing/networking
• Experience with supporting large language model training
• Experience with ML frameworks like Pytorch/TensorFlow/JAX
• Experience with GPU kernel development

Responsibilities

• Provide infrastructure support to our ML research and product
• Build tooling to diagnose cluster issues and hardware failures
• Monitor deployments, manage experiments, and generally support our research
• Maximize GPU allocation and utilization for both serving and training

What This Job Offers

• Industry: Professional, Scientific, and Technical Services
• Number of Employees: 51-100 employees