# Senior Staff Software Engineer, AI Model Lifecycle

Hiring organization: [Crusoe](https://career.thegoodapps.co/organizations/crusoe)

Canonical page: https://career.thegoodapps.co/jobs/eb3777f7-25ee-4c6b-bd6c-34529b007a0e

Listed on Crusoe's own careers site. Applications go to them directly.

- Seniority: Senior Staff
- Location: San Francisco, CA
- Salary: 237600 – 318240 USD per year

## Summary

Crusoe seeks a Senior Staff Software Engineer to build infrastructure for training and fine-tuning large language models at scale, focusing on orchestration, pipelines, and lifecycle management for AI workloads. This role suits experienced AI infrastructure engineers with deep hands-on experience in LLM training, reinforcement learning, and distributed systems who want to work on the foundational layer of AI compute.

_Our summary, not Crusoe's wording._

## Skills named

Fine-tuning, Python, PyTorch, Reinforcement Learning

## Required

- Advanced degree in Computer Science, Engineering, or related field
- 8+ years of industry experience in AI projects
- Experience with Generative AI and Large Language Models
- Hands-on experience training and fine-tuning LLMs with Reinforcement Learning and RFT techniques
- Ability to work autonomously and collaboratively

## Nice to have

- Proficiency in Golang or Python for production-level services
- Contributions to open-source AI projects like vLLM
- Performance optimization experience on GPU systems and inference frameworks

Apply on Crusoe's site: https://jobs.ashbyhq.com/Crusoe/71d28215-cd90-4dc0-9113-df1dbb1afa26/application