kos.ai
Founding AI Engineer
$170K–$250K
San Francisco · Hybrid · Full-time · Posted May 7, 2026
- Experience
- 2+ years of experience
- Education
- Bachelor’s / Master’s / PhD in CS/EE from top-tier universities
- Visa sponsorship
- Visa sponsorship
About the job
Build and improve Kos’s production AI agent systems for finance workflows, including runtime, model routing, and evaluation infrastructure.
What you'll do
- Own the agent runtime, including computer use, tool orchestration, and memory.
- Design provider-agnostic model routing and build evaluation harnesses for customer workflows.
- Bring agent research into production and turn practitioner feedback into prompt, model, and routing improvements.
What they ask for
- Bachelor’s, Master’s, or PhD in CS/EE from a top-tier university.
- Shipped an agentic system, computer-use agent, or LLM-powered feature into production, or have an equivalent research track record.
- Experience with modern LLM orchestration, tool use, evaluation design for open-ended tasks, and tradeoffs among fine-tuning, prompting, and retrieval.
- Ability to take problems from research to reliable production systems.
Pay
$170K – $250K USD base salary
Tools
LLM
AI focus
Develop production AI agents for finance workflows, including computer use, tool orchestration, memory, model routing, and workflow evaluation.
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