Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Engineer, Frontier AI Infrastructure St. Louis, MO Apply

$184k - $259.44k

Scale AI

Software Engineer, Frontier AI Infrastructure San Francisco, CA; St. Louis, MO; New York, NY; Washington, DC Ready to Apply? Join the team shaping the future of AI at Scale. Scale AI is seeking a highly skilled and motivated Software Engineer, Frontier AI Infrastructure to join our dynamic Public Sector Engineering team. As a part of this team, you will execute on automated deployment efforts to pay down tech debt, creating fully functional staging/testing environments that define the company's standard for safe deployments. You'll re-architect the stack to run in compliant or restrictive environments which requires designing swappable components (auth, storage, logging) to meet government/security mandates without breaking the product. And you will lead technical discussions with cloud vendors and customers to debug platform issues, negotiate capacity/timelines, and prioritize work. You will: Design and implement secure scalable backend systems for Public Sector customers, leveraging Scale's modern and cloud-native AI infrastructure. Own services or systems and define their long-term health goals, while also improving the health of surrounding components Improve our high engineering standards, tooling, and process Collaborate with cross-functional teams to define and execute the vision for backend solutions, ensuring they meet the unique needs of government agencies operating in secure environments. Participate actively in customer engagements, working closely with stakeholders to understand requirements and deliver innovative solutions. Contribute to the platform roadmap and product strategy for Scale AI's Public Sector business, playing a key role in shaping the future direction of our offerings. Must have: At least an active secret clearance and the ability & willingness to up level to TS/SCI with CI Poly. This is a requirement and candidates will not be considered who do not hold at least a secret clearance Ideally you'd have: Full Stack Development: Proficiency in both front-end and back-end development, including experience with modern web development frameworks, programming languages, and databases. Experience with developing & delivering software to air-gapped & isolated environments is a plus. Cloud-Native Technologies: Understanding of containerization (e.g., Docker) and container orchestration (e.g., Kubernetes) is desired. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and experience in developing and deploying applications in a cloud-native environment. Security Focused: Experience with Federal Compliance frameworks, and requirements(e.g, Cloud SRG, FedRAMP, STIG Benchmarks, etc). Experience developing software & technical solutions that meet strict security & regulatory compliance requirements. Problem Solving: Strong analytical and problem-solving skills to understand complex challenges and devise effective solutions. Ability to think critically, identify root causes, and propose innovative approaches to overcome technical obstacles. Collaboration and Communication: Excellent interpersonal and communication skills to effectively collaborate with cross-functional teams, stakeholders, and customers. Ability to clearly articulate technical concepts to non-technical audiences and foster a collaborative work environment. Adaptability and Learning Agility: Willingness to embrace new technologies, learn new skills, and adapt to evolving project requirements. Ability to quickly grasp and apply new concepts and stay up-to-date with emerging trends in software engineering. Must be able to support work 3-4 days a week from the DC, SF, NYC, or STL office. 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:

$184,000 — $259,440 USD

The base salary range for this full-time position in the locations of Hawaii, Washington DC, Texas, Colorado is:

$165,600 — $233,496 USD

The base salary range for this full-time position in the location of St. Louis is:

$138,000 — $194,580 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 View email address on click.appcast.io. Please see the United States Department of Labor's Know Your Rights poster for additional information. 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. #J-18808-Ljbffr Scale AI

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Software Engineer, Frontier AI Infrastructure St. Louis, MO Apply in San Francisco, CA vacancy
  • $255k

    About the Team The Frontier Systems team at OpenAI builds...  ...systems and build any software needed for running...  ...Role We are looking for engineers to operate the next...  ...engineering with hands-on infrastructure work on our largest...  ...About OpenAI OpenAI is an AI research and... 
    Suggested

    Slope

    San Francisco, CA
    2 days ago
  • $200k - $250k

     ...had to do. Powerful AI will be the biggest lever...  .... Whoever deploys frontier compute infrastructure fastest will decide whether...  ...hardware and software. Speed and scale are...  ...that is you, please apply! About the Role...  ...looking for a Software Engineer, Infrastructure Platform... 
    Suggested
    Local area

    Fluidstack

    San Francisco, CA
    2 days ago
  •  ...data to the world's leading AI labs — and its quality directly shapes the frontier models that billions of...  ...interact with. As a Fullstack Software Engineer on the Applied AI team, you'll own Studio...  ...REST APIs, and async task infrastructure. Strong design sense and empathy... 
    Suggested
    Work at office
    Relocation package

    Mercor, Inc.

    San Francisco, CA
    3 days ago
  • Senior Software Engineer, Infrastructure & Platform Role Overview: As a Senior Software Engineer, Infrastructure...  ...data pipelines used to train frontier AI models. This is a highly technical role...  ...Laboratory (SAIL). Why Apply Massive Opportunity: We were one of... 
    Suggested

    AfterQuery

    San Francisco, CA
    5 days ago
  •  ...Engineer To Build Ai Agents Our mission is to help small businesses run...  ...pipelines, evals, and the infrastructure that makes it all reliable....  ...Are excited to work with frontier models Engineer for reliability...  ...-scale datasets to power applied AI Are comfortable... 
    Suggested
    Work at office

    Lassie

    San Francisco, CA
    22 hours ago
  • $144k - $270k

     ...Senior Software Engineer, Applied AI Cambridge, MA USA; San Francisco, CA USA Your Impact at LILA...  ...and inference workloads. Cloud & Infrastructure: Leverage AWS, Kubernetes, and...  ...believe science is the most inspiring frontier for AI. Rather than hard-coding expert... 
    Full time
    Work at office
    Local area
    Flexible hours

    Lila Sciences

    San Francisco, CA
    2 days ago
  •  ...Lassie is building the AI for every health...  ...role We're hiring an engineer to build the AI agents...  ...pipelines, evals, and the infrastructure that makes it all reliable...  ...excited to work with frontier models Engineer for...  ...scale datasets to power applied AI Are comfortable working... 
    Work at office

    Lassie

    San Francisco, CA
    1 day ago
  • $185k - $225k

     ...of Prime, Core and Frontier vaults. Our mission...  ...and work on the key infrastructure that powers our...  ...logs, and indexers. Apply SRE principles to improve...  ..., maintaining high engineering standards. Leverage AI‑assisted...  ...years of professional software engineering experience... 
    Contract work
    Work at office
    Remote work
    Work from home

    Gauntlet

    San Francisco, CA
    5 days ago
  • Reducto helps AI teams ingest real...  ...for senior engineers for our Platform...  ...Opportunity As a Senior Software Engineer on our...  ...platform and infrastructure that makes...  ...models at the frontier of document understanding...  .... Please only apply if that excites...  ...up to $150/mo reimbursement... 
    Work at office
    Local area

    Reducto, Inc.

    San Francisco, CA
    1 day ago
  •  ...About Nooks.ai: Nooks is an applied AI lab building the Agent Workspace for...  ...the market remains the last frontier for AI. Our mission is to...  .... About the Role The Core Infrastructure team makes the rest of Nooks...  .... We're hiring senior engineers to own the systems everything... 
    Work at office
    3 days per week

    Nooks

    San Francisco, CA
    5 days ago
  • $180k - $280k

     ...stage, venture-backed applied research lab...  ...building the foundational infrastructure to train specialized AI agents. We turn...  ...models — supporting frontier AI labs, hyperscalers...  ...a wrapper. Our engineers work at the core of...  .... We already ship software that leading AI teams... 
    Full time
    Relocation package

    David Joseph & Company

    San Francisco, CA
    5 days ago
  •  ...world's most dynamic AI companies, like...  ...Writer. By uniting applied AI research, flexible infrastructure, and seamless developer...  ...operating at the frontier of AI to bring cutting...  ...build the platform engineers turn to to ship AI...  ...an Infrastructure Software Engineer at Baseten... 
    Flexible hours

    Baseten

    San Francisco, CA
    6 days ago
  •  ...world’s most dynamic AI companies, like...  ...Writer. By uniting applied AI research, flexible infrastructure, and seamless developer...  ...operating at the frontier of AI to bring cutting...  ...build the platform engineers turn to to ship AI...  ...ROLE As a Senior Software Engineer - Model Training... 
    Flexible hours

    BaseTen

    San Francisco, CA
    4 days ago
  • About Build AI for the Built World: Build...  ...- digital infrastructure, energy, industrial...  ...governments to push the frontier of what's possible...  ..., workflow engines, state management,...  ...tightly with product, applied AI, and domain experts...  ...gets made. Our software doesn’t live in the... 
    Live in

    Build Technologies

    San Francisco, CA
    1 day ago
  • Software Engineer (Security/Infrastructure) — AfterQuery About the Role You’ll be responsible for...  ...workflows across AI training, expert networks,...  ...infrastructure that power how frontier AI models are developed....  ...from zero to production Why Apply Massive Opportunity: We were... 

    AfterQuery

    San Francisco, CA
    4 days ago
  • $200k - $240k

    Traba is the AI operating layer for the industrial...  ...them, we are building applied AI that drives real...  ...top of AI agents—taking frontier models and existing...  ...leverage.) This is a product-engineering role first, so you'll...  ..., UX, and deployment infrastructure. Proven full-stack... 
    Full time
    Temporary work
    Local area
    Shift work

    Traba

    San Francisco, CA
    21 hours ago
  • A California-based technology company is seeking a Software Engineer for Frontier AI Infrastructure to create secure, scalable backend systems and collaborate with government agencies. The ideal candidate must have an active secret clearance and a strong background in... 

    Scale AI, Inc.

    San Francisco, CA
    3 days ago
  •  ...About the Team The Applied Engineering team works across research, engineering, product, and design...  ...team responsible for running the core infrastructure that supports products like ChatGPT...  ...deployment and distribute the benefits of AI, while ensuring that this powerful... 
    Relocation package

    OpenAI

    San Francisco, CA
    1 day ago
  • $179k - $240k

     ...Applied AI Engineer Everyone's talking about AI. But here's the truth: ChatGPT...  ...- we're creating the infrastructure that will power every AI application...  .... Required Skills 5+ years software engineering experience,...  .... Comfort across multiple frontier models and reasoning about... 
    Shift work

    Arcade AI, Inc

    San Francisco, CA
    2 days ago
  •  ...and other critical infrastructure that developers need...  ...fastest-growing AI companies, including...  ...Plaid. As AI reshapes software, WorkOS is at the frontier of Human and Agent...  ...We're growing our Applied AI team to dramatically...  ...across Engineering, Sales, Support, and... 
    Remote work

    WorkOS

    San Francisco, CA
    3 days ago
  • $200k - $250k

    AI, located in San Francisco, is seeking a Software Generalist to join their team focused on serving frontier AI companies. This full-stack engineer role requires over 4 years of product engineering experience...  ...to building a necessary infrastructure for AI development. The... 

    AI

    San Francisco, CA
    5 days ago
  •  ...Who We Need As an Applied AI Engineer on Rillet's AI & ML team, you'll...  ...from model integration to infrastructure, and your work will be used...  ...domain experts to push the frontier of what AI can do inside an...  ...fintech, ERP, or accounting software Experience with fine-tuning... 
    Work at office
    Remote work
    Relocation
    Flexible hours

    Rillet

    San Francisco, CA
    3 days ago
  •  ...Applied AI Engineer Duration: 6-12 months contract to hire Location...  ...company. They build and deploy software and biological AI systems...  ...post-training biological frontier models—for tasks in biological...  ...training and evaluation infrastructure Visualize and communicate... 
    Contract work

    CoSourcing Partners - Enterprise-AI and IT Services Company

    San Francisco, CA
    3 days ago
  •  ...OpenAI’s Applications Engineering organization builds and...  ...worldwide. The Applied Foundations team owns...  ...product engineering, infrastructure, and safety, working together...  ...’re hiring Full‑Stack Software Engineers to design and...  ...OpenAI OpenAI is an AI research and deployment... 
    Worldwide

    OpenAI

    San Francisco, CA
    4 days ago
  •  ...The Role We are hiring a Software Engineer focused on Applied AI to build intelligent systems that directly power our underwriting and pricing...  ...sits at the intersection of product engineering, AI infrastructure, and real-world insurance workflows. You will design... 
    Work experience placement
    Work at office

    Shepherd

    San Francisco, CA
    3 days ago
  • $150k - $170k

     ...a highly motivated, mission-oriented Applied AI Engineer to help develop, integrate, and deploy...  ...closely with other data scientists, software engineers, product teams, and mission...  ...Experience in aerospace, defense, critical infrastructure, robotics, RF systems, or other... 
    Work experience placement
    Casual work
    Work at office
    Relocation package
    2 days per week

    CHAOS Industries

    San Francisco, CA
    5 days ago
  •  ...organize human intelligence to power the AI economy. We partner with leading AI...  ...development. Our vast talent network trains frontier AI models in the same way teachers...  ...offices. About the Role As a Software Engineer, Applied AI on Mercor's Enterprise team, you'll... 
    Work at office
    Relocation package

    Mercor Alabaster

    San Francisco, CA
    3 days ago
  • $120k - $200k

     ...Software Engineer, Applied AI Fintechs and banks use Greenlite agents to automate workflows like suspicious activity investigations, entity...  ...Within weeks: Build integration and product infrastructure for LLMs. Provide Greenlite agents with the infrastructure... 

    Bretton

    San Francisco, CA
    3 days ago
  • $212k - $318.4k

    Software Engineer, ML platform and Infrastructure San Francisco Bay Area, California, United States Software and Services The Applied Machine Learning team has been at the forefront of accelerating digital...  ...Machine Learning, and Generative AI initiatives. You will architect... 
    Relocation

    Apple

    San Francisco, CA
    2 days ago
  • $200k

    Software Engineer - Platform/Infrastructure San Francisco, United States | Posted on 06/15/2026 Job Description AI Talent Now Job #ZR 74 Company Overview Series A startup with under 20...  ...aiming for staff level positions. Applied intelligence, critical thinking, and... 

    AI Talent Now

    San Francisco, CA
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Engineer, Frontier AI Infrastructure St. Louis, MO Apply. Be the first to apply!