Jobs in the United States

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Added 1 min ago
CADD Manager/Senior Designer
Atlas
Plymouth Meeting, PA · PA
9. Familiar with 3D design software add-ins and supporting application
Added 1 min ago
General Manager
Atlas
Lubbock, TX
Partner with the Lab Quality Manager, PM/CMT Engineer, and Scheduling teams to integrate quality requirements into laboratory deadlines, deliverables, contract requirements, and client…
Added 3 mins ago
Senior Software Developer - Environmental Services
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Added 5 mins ago
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Jefferson City, MO
We are seeking an experienced Senior Software Engineer to join our Identity Resolution engineering team.
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Ford Racing Powertrain Business Manager
Ford Motor Company
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…Racing’s Powertrain Operation, with work that directly affects development, testing, and race operations. Strong communication, professionalism, and collaboration are essential to…
Added 10 mins ago
ADAS Functional Safety Engineer
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ADAS Functional Safety Engineer - positions offered by Ford Motor Company (Dearborn, Michigan). Note, this is a hybrid position whereby the employee will work both from home and from the…
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Senior Software Engineer
Ford Motor Company
Dearborn, MI
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Added 10 mins ago
Senior Mobile Software Engineer – iOS (Swift) / Android (Kotlin)
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Dearborn, MI
We are seeking an experienced Senior Mobile Software Engineer with strong hands-on expertise in native iOS and Android application development. The ideal candidate will have extensive…
Added 10 mins ago
Blue Cruise Core Integration Engineer
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Dearborn, MI
We bring engineering ideas to life. In Product Development, we make driving more exciting, enjoyable and sustainable. Ford’s Advanced Driver Assistance Systems (ADAS) team designs and…
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Senior Full Stack Developer
Eliassen Group
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- $60 to $70 USD / hour
8+ years of experience in full stack development, software engineering, or related roles.
Added 12 mins ago
Staff Software Engineer, AI Model Lifecycle
Crusoe
San Francisco, CA · Sunnyvale, CA
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,…
Added 16 mins ago
J
Senior Software Back End Engineer
Jobgether
Remote, United States
- $122,275 to $165,431 USD / year
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Added 16 mins ago
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Security Engineer, Vulnerability Management
Jobgether
Remote, United States
- $200,000 to $300,000 USD / year
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Added 21 mins ago
Data Center Controls Engineer, Advanced Technology and Innovation
Google
Sunnyvale, CA · Atlanta, GA · Austin, TX · Kirkland, WA · New York, NY · Reston, VA · San Francisco, CA
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Added 27 mins ago
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Boise, ID
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Added 40 mins ago
IT Security Operations (6152-1)
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The Technical Support Engineer will play a key role in helping enterprise customers successfully adopt and operate a platform that connects AI agents and human users with business systems…
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Senior Machine Learning Engineer
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- $134,400 to $168,000 USD / year
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Added 54 mins ago
Senior Network Engineer, Google Enterprise Network
Google
Austin, TX · Thornton, CO
We're the driving force behind Google's groundbreaking innovations, empowering the development of our cutting-edge AI models, delivering unparalleled computing power to global services, and…
Added 59 mins ago
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GENERAL ENGINEER
Naval Sea Systems Command
Naval Base Newport, RI
- $142,452 to $197,200 USD / year
You will serve as the Senior Systems Engineer and Designated Representative for SONAR Systems across all in-service and new-acquisition U.S. Navy submarines and surface ships in Undersea…
Added 1 hour ago
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Principal Backend Developer - Clinical Applications
Oracle
Jefferson City, MO
- $114,600 to $234,600 USD / year
…Record (EHR) platform. We are seeking a highly skilled Principal Software Engineer to join our Clinical Applications Engineering team focused on modernizing provider workflows, inbox…
Added 1 hour ago
Senior Staff Software Engineer, Android & IoT
Jobgether
Remote, United States
This is a senior technical leadership opportunity for an experienced software engineer to shape the architecture and evolution of products that support large-scale connected device…
Added 1 hour ago
Integration System Engineer IV
Jobgether
Remote, United States
Prepare functional design documents outlining recommended software changes, customizations, and application enhancements.
Added 1 hour ago
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Field Implementation Engineer
Jobgether
Remote, United States
- $95,500 to $149,200 USD / year
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Field Implementation Engineer based in the United States.
Added 1 hour ago
DA
Supervisory IT Specialist
Deputy Assistant Secretary for Information and Technology
Location Negotiable After Selection
- $147,945 to $192,331 USD / year
…responsible for developing high-level strategies to support development efforts to achieve Department of Veterans Affairs (VA) wide business objectives. The incumbent will supervise…

Crusoe

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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More about this job

Skills

Computer science
Work independently
Go
Python
PyTorch

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