ashby
Senior Staff Software Engineer, Model LifeCycle
Crusoe
San Francisco, USA
Full-time
Senior · 8+ years experience
Onsite
USD 237600-288000 yearly / year
Discovered 1 weeks ago
PythonGolangPyTorchGPU
Free
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Role Overview
The Senior Staff Engineer for the 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).
Key Skills for This Role
PythonGolangPyTorchGPU
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About the Role
The Senior Staff Engineer for the 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.
Distillation and reinforcement learning pipelines (e.g., preference optimization, policy optimization, reward modeling).
Agent execution infrastructure
Dataset, model, and experiment management: versioning, lineage, evaluation, and reproducible fine-tuning at scale.
Collaboration and impact
Work closely with product, business, and platform teams to shape the core abstractions and APIs of the system.
Influence long-term architectural decisions around training runtimes, scheduling, storage, and model lifecycle management.
Contribute to and engage with the open-source LLM ecosystem.
This role offers significant 0 → 1 ownership — you'll be designing and building core systems from first principles.
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