Hartleyco

12 Hartleyco Jobs Hiring Near You

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

I'm currently working with one of the fastest-growing AI infrastructure companies in the voice AI space. They're hiring a GTM Engineer in San Francisco. This isn't a sales role. It isn't RevOps. And ...

Hartleyco Jobs Information

Infographic showing various job openings at Hartleyco in the United States as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution.

Research Engineer (Pre-training) (San Francisco)

San Francisco, CA • On-site

$175K - $250K/yr

Full-time

Re-posted 12 days ago


Job description

This range is provided by HartleyCo. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$175,000.00/yr - $250,000.00/yr

About Our Client:

Our client is assembling a world-class team to push the boundaries of AI research and development. Their mission is to build models that generalize and adapt to novel problems, bridging cutting-edge research with real-world applications.

The Role:

As a Research Engineer in Pre-Training, you'll develop and implement advanced pre-training techniques to enhance foundation models. Working closely with Research Scientists, you'll experiment with model architectures, training strategies, and large-scale data pipelines to drive AI innovation.

What You’ll Do:

  • Design and optimize novel pre-training methods to improve model performance.
  • Conduct large-scale training experiments and analyze results.
  • Collaborate with data and product teams to refine models for real-world applications.
  • Build scalable pre-training pipelines for massive datasets.

What We’re Looking For:

  • Strong ML fundamentals and hands-on experience with large-scale models.
  • Proficiency in Python, JAX, PyTorch, or TensorFlow.
  • Experience with frameworks like Megatron, DeepSpeed, or MaxText.
  • Problem-solving mindset with a research-driven approach.
  • Ability to deploy pre-trained models in production environments.

This is a fully on-site role in San Francisco, with relocation assistance available. If you're passionate about AI research, we’d love to hear from you!

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

IT Services and IT Consulting

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