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Machine Learning Infrastructure Engineer

Character.AI· Technical Staff - ML
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Hybrid (Redwood City, CA)$150k - $350kFull-timePosted 11mo ago

About the role

Seasoned ML Infrastructure engineers to design, build, and maintain training and serving infrastructure for ML research and products at Character.AI.

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

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

Skills

Required:ML infrastructureCluster managementGPU utilization and scheduling

Benefits

  • Top-notch health coverage for you & your family, with majority of the premium covered
  • 401(K) contribution
  • Paid leave up to 20 weeks for new parents
  • 4 weeks of PTO
  • Daily in-office catering plus a monthly Doordash stipend
  • Monthly wellness stipend
Last updated Jul 15, 2026. Interested? Apply on the company site.
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