# Sr. Model Engineer, RL Training Framework

- **Company:** SpaceXSI
- **Location:**  Palo Alto, CA
- **Workplace:** Workplace not stated
- **Salary:** USD 180K–400K / year
- **Seniority:** Senior
- **Role:** Software engineering (general)
- **Countries:** United States
- **Languages:** C++, Python, Rust
- **Posted:** 2026-11-04
- **Key facts:** Stack: C++, Python, Rust, PyTorch, LLM
- **Job page:** https://rolefalcon.com/job/87518660-sr-model-engineer-rl-training-framework-spacexsi-palo-alto

Sr. Model Engineer, RL Training Framework is an open role at SpaceXSI, a software company in developer tools and infrastructure. The job is based in Palo Alto, United States. Our labels mark it as a senior-level role in software engineering (general). Technologies named in the posting: PyTorch, LLM, C++, Python and Rust. SpaceXSI has 61 open positions on this site, 21 of them in IT and engineering.

To apply, open the job page above and follow its Apply link to the original posting.

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