Member of Technical Staff (AI Software Engineer, Agent Engine)
Perplexity14 hours ago
Base Salary
$250k - $405k/yr
Responsibilities
- Design frontier agent harnesses and systems for high-stakes, mission-critical user work.
- Develop action and decision models that operate across complex multimodal states.
- Design systems and abstractions supporting local execution, headless cloud, custom executors, and other environments.
- Build permission architectures, payload classifiers, and other secure-by-design agent capabilities.
- Design data representations and interaction modes between agents and their environments.
- Collaborate across engineering and applied research to solve open problems in agentic AI and ship user-facing products.
Requirements
- 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.
- Strong technical intuition and a focus on excellent user experiences.
- Comfort working on a small, fast-moving team with a strong ownership mindset.
- Passion for shipping products that surprise and delight.
- TypeScript, Go, Rust, CDP, Playwright, or browser extension development experience is advantageous.
Tech Stack
Categories
About Perplexity
Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.