Character.AI

Machine Learning Infrastructure Engineer

Character.AI Redwood City, CA
Full-time $150k - $350k Posted about 5 hours ago

Role overview

We’re looking for seasoned ML Infrastructure engineers with experience designing, building and maintaining training and serving infrastructure for ML research.

Responsibilities

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

Basic qualifications

  • 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

Preferred qualifications

  • 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

Tags & Focus Areas

Fulltime Remote Machine Learning Ai

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