Member of Technical Staff (ai Software Engineer, Agents)

Perplexity Perplexity · AI Frontier · San Francisco, CA · AI Research & Systems

Seeking engineers to join the Agents team, building AI systems and harnesses for agentic experiences like Perplexity Computer and Comet. The role involves designing AI agents, training decision models, ensuring cross-environment consistency, developing secure architectures, and optimizing data representations for user-facing AI products.

What you'd actually do

  1. Engineer agent harnesses that connect powerful models with the environments and tools required to perform economically valuable work for users.
  2. Drive cutting-edge AI capabilities across multiple layers of a rapidly growing product in the AI agents space.
  3. Develop and leverage cutting-edge AI models, infrastructure, and browser technologies to advance the capability frontier and scale those capabilities for a rapidly growing userbase.
  4. Ensure a high craft and quality bar, in both AI agent performance and user experience.
  5. Collaborate with fellow engineers, designers, product managers, data scientists, and others across the company to integrate core Perplexity functionality into our frontier agentic products and vice-versa.

Skills

Required

  • Python
  • Context engineering and tool interfaces for frontier AI models
  • Post-training and reinforcement learning (particularly for multimodal models)
  • Browser technologies (CDP, Playwright, extension development, etc.)
  • Strong product intuition and taste for user experience excellence.
  • Comfortable working with a small, fast-moving team

Nice to have

  • TypeScript
  • Go
  • Rust

What the JD emphasized

  • must be willing to dive in and take ownership

Other signals

  • AI agents
  • agentic experiences
  • frontier intelligence
  • millions of devoted users