# Sr. Model Engineer, Post-Training & RL

- **Company:** SpaceXSI
- **Location:**  Palo Alto, CA
- **Workplace:** Workplace not stated
- **Salary:** USD 180K–600K / year
- **Seniority:** Senior
- **Role:** Software engineering (general)
- **Countries:** United States
- **Languages:** C++, Python, Rust
- **Posted:** 2026-11-02
- **Key facts:** Stack: C++, Python, Rust, PyTorch
- **Job page:** https://rolefalcon.com/job/76147175-sr-model-engineer-post-training-rl-spacexsi-palo-alto

Sr. Model Engineer, Post-Training & RL is an open role at SpaceXSI, a software company in developer tools and infrastructure. The posting gives Palo Alto, United States as the location. We classify it as a senior-level role in software engineering (general). Technologies named in the posting: PyTorch, C++, Python and Rust. There are 60 open positions from SpaceXSI on this site, 15 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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