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AI Engineer
Clera
San Francisco, California, United StatesPosted Oct 19, 2026 · 10h ago$180K – $220K
Full-time$180K – $220KMid levelOn-siteAI / ML
About this role
Join the founding engineering team at an early-stage AI company to build a novel foundational model from scratch. This hands-on role involves core model development, including training, reinforcement learning, and architecture, as well as shipping production-ready LLM applications and systems.
What we are looking for
6- Build and improve foundational AI models
- Develop and ship production LLM applications
- Create evaluations and benchmarks for LLM systems
- Contribute as a hands-on individual engineer
- 1-5 years of professional engineering experience
- Strong Python and PyTorch skills
