Software Engineer, Agent Harness
Cursor · San Francisco · New York
CHECKED 5H AGO
Applied AIonsite
At a glance
Highlights
- Build core agent orchestration, tools, and guardrails powering Cursor products.
- Define the default 'Auto' agent experience and smart model choices.
- Launch new frontier models end-to-end with research and providers.
Ideal candidate
Truth-seeking, creative builder who ships complex agentic products and sweats model behavior and UX details. You love gray-area product calls and staying current on AI research.
Requirements
- Built complex agentic products or infrastructure
- Strong software engineering fundamentals with production systems shipping experience
- Taste and strong opinions on model and agent behaviors
- Stays current on emerging AI research and industry trends
- Comfortable making gray-area calls balancing data, UX, and product taste
- Experience building eval datasets or frameworks for AI systems a plus
- Experience building products or tools for other engineers a plus
- hiring process
- 2-3 short technicals, then onsite to work on a small project, discuss ideas, and meet the team.
Lab profile
About Cursor
Automates coding with AI-powered editor for professional programmers.
What they build
- Cursor AI code editor
- Cursor for Enterprise
Known for
- AI-assisted coding
- Applied ML research
- Developer tools
Key facts
- Founded in 2022
- Headquartered in San Francisco
- Backed by Thrive Capital and Andreessen Horowitz