kos.ai
Software Engineer Intern
San Francisco · On-site · Internship · Posted May 7, 2026
- Education
- Current CS or ML undergraduate or master’s student
- Visa sponsorship
- Visa sponsorship for eligible candidates
About the job
Build and ship a bounded engineering project for Kos’s AI finance product, with code used in production by live customers.
What you'll do
- Build a project in eval infrastructure, ERP integration stubs, internal operations dashboards, or the agent training pipeline.
- Partner with the founding engineering team and contribute to code reviews and design discussions.
- Learn and contribute to the product’s agent loop, evaluation harness, and production infrastructure.
What they ask for
- Current CS or ML undergraduate or master’s student with a hands-on project or internship track record.
- Fluent in Python, TypeScript, or Go.
- Hands-on experience building with LLMs, agents, or computer-use workflows.
- Comfortable working in person at the San Francisco office for the entire internship.
Tools
Python, TypeScript, Go
AI focus
Contribute to an AI agent training pipeline and learn the agent loop and evaluation harness.
Model-written summary · the original posting is authoritative