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Machine Learning Infrastructure Engineer at early-stage private AI platform

Jack & Jill

Salary not specified
Dec 17, 2025
San Fransisco, CA, US
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Build the core infrastructure to serve thousands, then millions, of private, personalized AI models at scale for an early-stage AI platform, ensuring user data and models remain confidential.

Requirements

  • Deep understanding of the machine learning stack, including transformer optimization and GPU performance.
  • Ability to execute quickly in a fast-paced, early-stage startup environment.

Responsibilities

  • Build infrastructure for deploying thousands to millions of personalized finetuned models.
  • Monitor and optimize in-the-wild model serving performance for low latency and cost.
  • Integrate with a TEE-based privacy stack to guarantee user data and model confidentiality.
  • Optimize model serving performance for low latency and cost.
  • Drive the foundational systems for a new era of personal AI.

Other

  • A missionary mentality, passionate about ensuring AI works for people.