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Senior Software Engineer

Location: Remote
Compensation: Salary
Reviewed: Tue, Sep 01, 2026
This job expires in: 30 days

Job Summary

To support the development of core libraries and evaluation systems for AI agents, the full-time Senior Software Engineer will work remotely to enhance open-source agent harnesses, diagnose failures, and contribute to upstream improvements.

Key responsibilities
  • Define and evolve technical approaches for evaluating and improving open agent harnesses across various frameworks and models
  • Build and operate scalable evaluation systems, including CI, sandboxed execution, and analysis tools
  • Diagnose agent failures and design controlled experiments to distinguish genuine improvements from noise
Required qualifications
  • Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Applied Math, or a related field, or equivalent experience
  • 8+ years of hands-on software engineering experience with technical ownership of production systems
  • Expertise in Python and proficiency in Rust, Go, C++, or TypeScript
  • Experience building or extending LLM agents and evaluation infrastructure
  • Solid understanding of asynchronous execution, containers, and distributed compute

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