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Scale AI

Software Engineer, ML Infrastructure - Training Platform

Sorry, this job was removed at 12:02 a.m. (EST) on Thursday, Oct 30, 2025
In-Office
2 Locations
160K-226K Annually
In-Office
2 Locations
160K-226K Annually

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Scale is looking for an AI/ML Infrastructure Engineer to join our Machine Learning Infrastructure team to build out our Training Platform. You will partner closely with Machine Learning researchers to understand their requirements and apply your own domain expertise and our compute resources to accelerate experimentation throughput.

The ideal candidate is someone who has strong fundamentals in machine learning, backend system design, and has prior ML Infrastructure experience. You should also be comfortable with infrastructure and large scale system design, as well as diagnosing both model performance and system failures.

You will:
  • Build highly available, observable, performant, and cost-effective APIs for model training.
  • Participate in our team’s on call process to ensure the availability of our services.
  • Own projects end-to-end, from requirements, scoping, design, to implementation, in a highly collaborative and cross-functional environment.
  • Exercise good taste in building systems and tools and know when to make build vs. buy tradeoffs, with an eye for cost efficiency.
Ideally you'd have:
  • 4+ years of experience building machine learning training pipelines or inference services in a production setting.
  • Experience with distributed training techniques such as DeepSpeed, FSDP, etc.
  • Experience building, deploying, and monitoring complex microservice architectures.
  • Experience with Python, Docker, Kubernetes, and Infrastructure as code (e.g. terraform).
Nice to haves:
  • Experience with LLM inference latency optimization techniques, e.g. kernel fusion, quantization, dynamic batching, etc.
  • Experience working with a cloud technology stack (eg. AWS or GCP).

Compensation packages at Scale for eligible roles include base salary, equity, and benefits. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position, determined by work location and additional factors, including job-related skills, experience, interview performance, and relevant education or training. Scale employees in eligible roles are also granted equity based compensation, subject to Board of Director approval. Your recruiter can share more about the specific salary range for your preferred location during the hiring process, and confirm whether the hired role will be eligible for equity grant. You’ll also receive benefits including, but not limited to: Comprehensive health, dental and vision coverage, retirement benefits, a learning and development stipend, and generous PTO. Additionally, this role may be eligible for additional benefits such as a commuter stipend.

Please reference the job posting's subtitle for where this position will be located. For pay transparency purposes, the base salary range for this full-time position in the locations of San Francisco, New York, Seattle is:
$160,000$225,600 USD

PLEASE NOTE: Our policy requires a 90-day waiting period before reconsidering candidates for the same role. This allows us to ensure a fair and thorough evaluation of all applicants.

About Us:

At Scale, our mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. We work closely with industry leaders like Meta, Cisco, DLA Piper, Mayo Clinic, Time Inc., the Government of Qatar, and U.S. government agencies including the Army and Air Force. We are expanding our team to accelerate the development of AI applications.

We believe that everyone should be able to bring their whole selves to work, which is why we are proud to be an inclusive and equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability status, gender identity or Veteran status. 

We are committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at [email protected]. Please see the United States Department of Labor's Know Your Rights poster for additional information.

We comply with the United States Department of Labor's Pay Transparency provision

PLEASE NOTE: We collect, retain and use personal data for our professional business purposes, including notifying you of job opportunities that may be of interest and sharing with our affiliates. We limit the personal data we collect to that which we believe is appropriate and necessary to manage applicants’ needs, provide our services, and comply with applicable laws. Any information we collect in connection with your application will be treated in accordance with our internal policies and programs designed to protect personal data. Please see our privacy policy for additional information.

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