# Senior Software Engineer, AI Model Lifecycle

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

Canonical page: https://career.thegoodapps.co/jobs/bb9fc245-1308-4a26-8253-d88e5d46b42d

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

- Seniority: Senior
- Location: San Francisco, CA
- Salary: 172425 – 230945 USD per year

## Summary

Crusoe is seeking a senior engineer to build infrastructure for managing the complete lifecycle of large language model training and fine-tuning, from orchestration through evaluation. This role suits someone with deep experience shipping production AI systems who enjoys working on the platform layer that powers model development at scale.

_Our summary, not Crusoe's wording._

## Skills named

Python, PyTorch, Reinforcement Learning

## Required

- Advanced degree in Computer Science, Engineering, or related field
- 4-5+ years of industry experience in AI
- Experience with Generative AI and Large Language Models
- Hands-on experience training and fine-tuning LLMs with Reinforcement Learning and RFT
- Ability to work autonomously and collaboratively

## Nice to have

- Proficiency in Golang or Python for production-scale services and PyTorch
- Open-source AI project contributions like vLLM
- GPU performance optimization and inference framework experience

Apply on Crusoe's site: https://jobs.ashbyhq.com/Crusoe/e726109d-5c4f-478b-a80f-cb277455484a/application