Staff Software Engineer, Model LifeCycle job opportunity at Crusoe.



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Crusoe Staff Software Engineer, Model LifeCycle
Experience: General
Pattern: full-time
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Salary:
Status:

Cloud Engineering

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degreeBachelor's (B.Sc.)
loacation San Francisco, CA - US, United States Of America
loacation San Francisco,..........United States Of America

Crusoe's mission is to accelerate the abundance of energy and intelligence. We’re crafting the engine that powers a world where people can create ambitiously with AI — without sacrificing scale, speed, or sustainability. Be a part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that’s setting the pace for responsible, transformative cloud infrastructure. About this role: The Staff Software Engineer for the Model LifeCycle team will play a key 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 will be working on: Contribute to 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. Contribute to distillation and reinforcement learning pipelines (e.g., preference optimization, policy optimization, reward modeling). Develop and maintain agent execution infrastructure. Implement features for dataset, model, and experiment management: versioning, lineage, evaluation, and reproducible fine-tuning at scale. Collaboration and impact Work closely with Principal Engineers, product, business, and platform teams to implement the core abstractions and APIs of the system. Contribute to architectural decisions around training runtimes, scheduling, storage, and model lifecycle management. Engage with the open-source LLM ecosystem. This role offers significant scope for ownership — you'll be implementing and contributing to the design of core systems. What You’ll Bring to the Team: Strong Engineering Fundamentals: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 8-10+ years of industry experience with demonstrated history of consistent success leading a varied portfolio of initiatives across your function Proven track record of delivering production features on time. Experience in using cloud-based services, such as, elastic compute, object storage, virtual private networks, managed database, etc. AI/ML Expertise: Experience with Generative AI (Large Language Models, Multimodal). Experience with AI infrastructure, including training, inference. Preferred Qualifications: Proficiency in Golang or Python for large-scale, production-level services. Experience contributing to open-source AI projects. Experience with performance optimizations on GPU systems and inference frameworks. Experience working with PyTorch Experience with training and fine-tuning LLMs Personal Attributes: Proactive and collaborative approach with the ability to work independently. Strong communication and interpersonal skills. Passion for building cutting-edge AI products and solving challenging technical problems. Benefits: Industry competitive pay Restricted Stock Units in a fast growing, well-funded technology company Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents Employer contributions to HSA accounts Paid Parental Leave Paid life insurance, short-term and long-term disability Teladoc 401(k) with a 100% match up to 4% of salary Generous paid time off and holiday schedule Cell phone reimbursement Tuition reimbursement Subscription to the Calm app MetLife Legal Company paid commuter benefit; $300/month Compensation Range Compensation will be paid in the range of up to $208,725 - $253,000 + 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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