Senior Software Engineer, Agentic Harness Quality and Performance
Core
Design and build automated checks, guides, and performance harnesses for AI coding agents to prevent defects and regressions in product code.
Role type
Senior Software Engineer (AI Agent Quality & Performance)
Builds
Automated quality checks, performance guides, and CI/CD pipelines for AI-generated code
Domain
AI-native productivity software (Goodnotes/Paddington)
Deliverable
production ML models
Required skills
Swift, TypeScript, Rust, Go, Java, static analysis, CI/CD pipeline design, coding agent usage, performance optimization, tool building
Preferred skills
Experience with iOS, Android, Mac, Windows, web, or backend platforms
Technologies
Claude Code, Cursor, Codex, Swift, TypeScript, Rust, Go, Java
Responsibilities
Design guides and checks for coding agents, improve product code for performance, package checks per platform, track escaped defects, write maintainable checks for other engineers
Seniority
Senior, hands-on IC
