Crusoe designs, builds, and operates energy-first AI infrastructure. Its offerings include Crusoe Cloud for GPU-based training, fine-tuning, inference, and managed services, alongside AI-optimized data centers and energy infrastructure.

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Skills

Distillation Fine-Tuning Generative Ai Golang Llm Lora Peft Python Pytorch Reinforcement Learning Rft Sft Vllm

Candidate Availability

Onsite · San Francisco · Required

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will help build a managed platform for the full application development lifecycle, focused on machine learning models and LLMs. You will manage fine-tuning systems for large foundation models, implement training pipelines, work on reinforcement learning and distillation, and handle dataset, model and experiment management at scale.

Requirements

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

Responsibilities

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
Apply RFT and reinforcement learning to fine-tuning and training
Build distillation and reinforcement learning pipelines (preference optimization, policy optimization, reward modeling)
Manage datasets, models and experiments: versioning, lineage, evaluation and reproducible fine-tuning at scale

Benefits

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) with company match up to 4% of salary
Volunteer time off