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

Sourced from jobmagic.ai

Perplexity is hiring engineers for its Agent Engine team, which builds agentic experiences such as Perplexity Computer, the Comet ecosystem, and the Agent API. The role spans engineering and applied research to advance what AI agents can accomplish for millions of users. You will design agent harnesses, action and decision models, and secure-by-design agentic capabilities across local and cloud execution environments.

• Design frontier agent harnesses and systems for mission-critical user tasks
• Leverage action and decision models over complex multimodal states
• Build consistent experiences across local execution, headless cloud, and custom executors
• Develop permission architectures and payload classifiers for secure-by-design agents
• Design data representations and interaction modes between agents and their environments

• Strong foundational familiarity with the AI systems stack
• Proficiency in Python
• Significant experience in at least one of: harness engineering, agent skills and plugin architectures, model training and reinforcement learning, or browser technologies (CDP, Playwright, extension development)
• Strong technical intuition and taste for user experience excellence
• Comfortable working with a small, fast-moving team with a bias toward ownership

• TypeScript
• Go
• Rust