Member of Technical Staff (AI Software Engineer, Agent Engine)
Perplexity18 hours ago
Base Salary
$250k - $405k/yr
Responsibilities
- Design frontier agent harnesses and systems for mission-critical user workflows.
- Develop action and decision models for complex multimodal states and user objectives.
- Create reliable system designs and abstractions for local execution, headless cloud, custom executors, and other environments.
- Build secure-by-design capabilities including permission architectures and payload classifiers.
- Design data representations and interaction modes between agents and their environments.
- Collaborate across engineering and applied research to solve open problems in AI and ship agentic 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 including CDP, Playwright, and extension development.
- TypeScript, Go, and/or Rust experience is a bonus.
- Strong technical intuition and a commitment to excellent user experiences.
- Comfort working on a small, fast-moving team with ownership and product-shipping orientation.
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.