Principal Software Engineer

Job Summary

To support a growing engineering team, the full-time Principal Software Engineer will build and evolve server and agent tool surfaces, ship frontend features, and design the public API layer while working remotely.

Key responsibilities

• Build and evolve the MCP server and agent tool surfaces for querying the context graph
• Ship frontend features, tRPC routes, and React components for customer interaction
• Design and harden the public API layer, focusing on authentication, rate limiting, and observability

Required qualifications

• Deep understanding of the TypeScript and JavaScript ecosystem with experience in serious systems
• Familiarity with Python
• Experience designing and implementing LLM and agent tool surfaces
• Experience developing APIs with a focus on observability and authentication
• Strong product instincts with the ability to translate ambiguous requirements into engineering scope