Member of Technical Staff (AI Software Engineer, Agent Engine)
Core
Design and build frontier intelligence systems and agentic experiences including Perplexity Computer, the Comet ecosystem, and the Agent API.
Role type
Senior IC AI software engineer (agent systems)
Builds
Frontier agent harnesses, action/decision models, secure-by-design agentic capabilities, and optimal data representations for agent-environment interaction.
Domain
AI systems, agentic AI, software engineering
Deliverable
production ML models
Required skills
AI systems stack, Python, harness engineering, agent skills and plugin architectures, model training and reinforcement learning, browser technologies (CDP, Playwright, extension development), system design, flexible abstractions, permission architectures, payload classifiers, multimodal state handling, user experience design
Preferred skills
TypeScript, Go, Rust
Technologies
Python, TypeScript, Go, Rust, CDP, Playwright
Responsibilities
Design frontier agent harnesses for high-stakes work; develop action and decision models for complex multimodal states; build secure-by-design agentic capabilities; design optimal data representations for agent-environment interaction.
Seniority
Senior, hands-on IC
