Jobs in the United States

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Added 1 min ago
Machine Learning Research Engineer (Remote)
Kelly Services
Remote, United States
A quantitative investment firm is seeking a Machine Learning Research Engineer to join a highly technical team focused on applying advanced machine learning techniques to complex,…
Added 1 min ago
Full-stack Engineer 4 - Machine Learning Experiences (MLX)
Capital One
Cambridge, MA
…who are passionate about leveraging cutting-edge open source frameworks and emerging technologies. In this role, you’ll be at the forefront of driving a major transformation across Capital…
Added 1 min ago
Data Strategy & Governance -Director
PwC
Boston, MA
What You Must Have
Added 1 min ago
Staff AI/ML Software Engineer – Navigation R&D
J&J Family of Companies
Boston, MA
We are searching for the best talent for a Staff AI/ML Software Engineer – Navigation R&D . This is a hybrid role to be based out of Boston, MA or Warsaw, IN.
Added 2 mins ago
Senior AI/ML Engineer - Boston, MA
Kelly Services
Boston, MA
A leading insurance and financial services organization is seeking an AI/ML Engineer to join its growing technology team in Boston, MA. This role will focus on designing, developing, and…
Added 2 mins ago
Senior Manager, Knowledge & Context Architecture
Teradata
Boston, MA
Our mission is to design the knowledge an enterprise runs on, engineer the context its AI agents need, and prove that context can be trusted. This helps make Teradata's vision for an…
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Sr. Strategic Planning Associate
Medtronic
Boston, MA
Familiarity with strategic frameworks (e.g., SWOT analysis, Porter’s Five Forces)
Added 2 mins ago
Staff Software Engineer
natgridProd
Brooklyn, NY · Waltham, MA
…our customers in the dark. So, join us as a Staff Software Engineer and find your…
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R&D Robotics and Physical AI Engineer
Nexteer Automotive Corporation
Saginaw, MI
Position: R&D Robotics and Physical AI Engineer
Added 4 mins ago
Staff Software Engineer, AI/ML, Generative AI, Ads Safety
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Experience as a full-lifecycle ML engineer in training dataset curation, modern neural architectures, evaluation frameworks, and post-deployment iterations.
Added 5 mins ago
Full Stack Engineer
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Remote, United States
- You stay up to date with the latest in AI, including new LLMs, agent frameworks, and tooling
Added 7 mins ago
Validation Engineer, AI & Data
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Indianapolis, IN
Support release readiness, weekly demonstrations, and handover of reusable evaluation frameworks and documentation.
Added 10 mins ago
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Senior AI/ML Engineer - Remote
UnitedHealth Group
Eden Prairie, MN
- $120,100 to $214,500 USD / year
area, you will be required to work in the office a minimum of four days per week
Added 19 mins ago
Associate Software Developer
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Jacksonville, FL
We are seeking an Associate Software Developer (Engineer I) to join our innovative development team. In this role, you will contribute to the design and development of Java enterprise…
Added 22 mins ago
Cleared Senior/Principal R&D Systems Engineer ¿ System Security Engineering & Assurance, Onsite
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Sandia¿s Nuclear Enterprise Assurance (NEA) Team seeks a multidisciplinary R&D Systems Security Engineer to lead the secure product realization lifecycle for high-consequence national…
Added 39 mins ago
Security Engineer, DeepMind Agentic Detection and Response
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Experience utilizing Agentic AI frameworks or developer kits to build and deploy autonomous AI systems.
Added 44 mins ago
Senior Software Engineer
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Remote, United States
About The Role-Senior Software Engineer (Req # 722)
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Develop assessment frameworks, solution playbooks, decision tools, and best practices.
Added 59 mins ago
AI Engineer - SDLC Process Improvement
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Pierce Technology Corp is seeking an AI Engineer - SDLC Process Improvement to enhance our software development lifecycle (SDLC) by integrating cutting-edge AI technologies and automating…
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Data Security Engineer
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Understanding of data classification frameworks and regulatory requirements relevant to financial services, with experience delivering sprint backlog items through verified completion and…
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Added 1 hour ago
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Principal Full Stack Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $180,000 to $200,000 USD / year
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Added 1 hour ago
Machine Learning Engineer
Oxford Global Resources
Beachwood, OH
Added 1 hour ago
Technical Marketing Engineer
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Santa Clara, CA
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Compiler Engineer (Frontend)
Persimmons
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Design and build the compiler that converts AI models from popular ML frameworks into assembly code that runs on our accelerator hardware.

Crusoe

Senior Staff Software Engineer, AI Model Lifecycle

San Francisco, CA, United States
Sunnyvale, CA, United States

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Job details

Experience: 4-5+ years of industry experience leading and driving impactful projects in the AI Space
Posting language: English
Posted: Nov 6, 2026

Original job description

Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack - from electrons to tokens - to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster.

We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that - with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI.

We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved - people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services.

If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.

About This Role:

The Senior Staff Software Engineer for the AI Model Lifecycle team will play a crucial role in building a comprehensive managed platform for the entire application development lifecycle, with a specific focus on leveraging Machine Learning models, including Large Language Models (LLMs).

What You’ll Be Working On:

Manage fine-tuning systems for large foundation models (SFT, PEFT, LoRA, adapters), including multi-node orchestration, checkpointing, failure recovery, and cost-efficient scaling.
Implement and maintain end-to-end training pipelines for Large Language Models.
RFT and Reinforcement learning to the fine tuning and training sections
Distillation and reinforcement learning pipelines (e.g., preference optimization, policy optimization, reward modeling).
Dataset, model, and experiment management: versioning, lineage, evaluation, and reproducible fine-tuning at scale.

What You’ll Bring to the Team:

Advanced degree in Computer Science, Engineering, or a related field.
4-5+ years of industry experience leading and driving impactful projects in the AI Space
Experience in Generative AI (Large Language Models, Multimodal).
Hands-on experience training, fine-tuning, and aligning LLMs using Reinforcement Learning and Reinforcement Fine-Tuning (RFT) techniques.
Proactive and collaborative approach with the ability to work autonomously
Passion for building cutting-edge AI products and solving challenging technical problems.

Bonus Points:

Proficiency in Golang or Python for large-scale, production-level services and PyTorch
Contributions to open-source AI projects such as vLLM or similar frameworks.
Performance optimizations on GPU systems and inference frameworks.

Benefits:

Competitive compensation
Restricted Stock Units
Paid time off & paid holidays
Comprehensive health, dental & vision insurance
Employer contributions to HSA account
Paid parental leave
Paid life insurance, short-term and long-term disability
Professional development & tuition reimbursement
Mental health & wellness support
Commuter benefits (parking & transit)
Cell phone stipend
401(k) Retirement plan with company match up to 4% of salary
Volunteer time off

Compensation Range

Compensation will be paid in the range of up to $250,000 - $300,000 + Bonus. Restricted Stock Units are included in all offers. Compensation to be determined by the applicants knowledge, education, and abilities, as well as internal equity and alignment with market data.

Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

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Skills

Computer science
Work independently
Go
Python
PyTorch

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Jobs in the United States