AI Harness Engineer
Location: Remote
Compensation: To Be Discussed
Reviewed: Wed, Oct 14, 2026
This job expires in: 30 days
Job Summary
To support innovative AI integrations, the full-time AI Harness Engineer will design and develop new tools and modules, implement P2P technology, and deliver features focused on reliability and user satisfaction in a 100% remote environment.
Key responsibilities
- Deliver new features and bug fixes with a focus on reliability, performance, and user satisfaction
- Design and develop new tools and modules, enabling new AI capabilities across various model types and sizes
- Maintain high codebase quality through consistent coding standards, code reviews, and automated testing
Required qualifications
- 5+ years building production software, with deep experience in P2P systems, AI/LLM tooling, or both
- Hands-on experience building agent harnesses, including tool calling, agent loops, context management, and structured outputs
- Experience building evals and test infrastructure for non-deterministic systems
- Strong JavaScript/TypeScript skills, with experience modeling complex state, from sync protocols to agent loops
- Open-source contributions to P2P, networking, or AI tooling projects
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