Member of Technical Staff (AI Software Engineer, Agent Engine)

The role

You will work across engineering and applied research to solve open problems in AI. You will design agent harnesses, leverage action and decision models, and develop secure agentic capabilities.

What you will do

• Designing frontier agent harnesses and systems
• Leveraging action and decision models
• Providing experiences across local execution, headless cloud, and custom executors
• Developing permission architectures and payload classifiers
• Designing data representations and interaction modes between agents and environments

Required qualifications

• Strong foundational familiarity with the AI systems stack
• Proficiency in Python
• Significant experience in at least one of the following areas: Harness engineering, Agent Skills and plugin architectures, Model training and reinforcement learning, Browser technologies (CDP, Playwri
• Strong technical intuition and taste for user experience excellence
• Comfortable working with a small, fast-moving team
• Bias toward ownership
• A passion for shipping products that surprise and delight

Nice to have

• TypeScript
• Go
• Rust

About the company

Perplexity builds frontier intelligence systems for the world's most discerning users. The Agent Engine team designs and builds agentic experiences including Perplexity Computer, the Comet ecosystem, and the Agent API.