Machine Learning Engineer Job at Signify Technology, San Francisco, CA

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  • Signify Technology
  • San Francisco, CA

Job Description

Job Title: Senior Machine Learning Engineer

Salary: $240,000 - $300,000

Location: San Francisco, CA (Hybrid 2 days onsite)

A well-funded SaaS startup in the AI infrastructure space is hiring a Machine Learning Engineer to optimize and scale their GPU systems for advanced model training and inference. This company builds high-performance SaaS AI tools used by millions of users and integrated into major consumer platforms. In this role, you’ll manage interconnected GPU clusters—such as H100s across 300+ nodes—while improving performance through MFU optimization, memory tuning, and distributed training strategies. You’ll be hands-on with both large-scale training and smaller clusters used for inference, requiring deep hardware-level expertise. The ideal candidate has a strong HPC background, understands memory hierarchies, caches, and interconnects, and thrives in a fast-moving startup environment.

Requirements:

  • Experience managing and scaling large GPU clusters
  • Strong foundation in high-performance computing and ML infrastructure
  • Understanding of GPU internals including memory, cache, processors, and interconnects
  • Familiarity with MFU optimization techniques and efficient GPU utilization
  • Hands-on experience with distributed training systems and frameworks
  • Ability to work cross-functionally with infrastructure, research, and product teams
  • Passion for building foundational AI systems in a high-growth startup

Benefits:

  • Medical, Dental, and Vision Insurance
  • 401k
  • Paid Time Off
  • Equity
  • Startup work culture
  • Free Lunches
  • Remote or Hybrid flexibility for SF locals

If you are interested in learning more about this position or any other roles we may have open, please apply today!

Accessibility Statement:

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We make an active choice to be inclusive towards everyone every day.

Please let us know if you require any accessibility adjustments through the application or interview process.

Our Commitment to Diversity, Equity, and Inclusion:

Signify’s mission is to empower every person, regardless of their background

or circumstances, with an equitable chance to achieve the careers

they deserve. Building a diverse future, one placement at a time.

Job Tags

Local area,

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