Sail Research
Member of Technical Staff - Agent Engineering
$200K–$300K
San Francisco · On-site · Staff · Full-time · Posted May 18, 2026
About the job
Build evaluation systems and agent harnesses to improve the performance of open-source AI models and automate prompt optimization.
What you'll do
- Design custom evaluations for multi-turn, massively parallel agents.
- Build agent harnesses to improve open-model performance.
- Automate prompt optimization techniques such as DSPy.
What they ask for
- Experience building AI agents.
- Familiarity with open-source models.
Pay
$200K – $300K (base salary)
Tools
Deepseek, Qwen, Llama, Claude Code, DSPy
AI focus
Develop and evaluate AI agents, improve open-model performance through agent harnesses, and automate prompt optimization.
Model-written summary · the original posting is authoritative