Member of Technical Staff (ai Software Engineer, Agents)

Perplexity Perplexity · AI Frontier · San Francisco, CA · AI

Seeking AI Software Engineers to join the Agents team, focusing on building agentic experiences within Perplexity's ecosystem. The role involves designing AI agents, training decision models, ensuring excellent cross-environment experiences, developing secure agentic capabilities, and optimizing data representations. Responsibilities include driving AI capabilities, developing models and infrastructure, ensuring quality, and collaborating across teams. Requires foundational AI product stack familiarity, Python proficiency, and experience in context engineering, tool interfaces, post-training/RL for multimodal models, or browser technologies.

What you'd actually do

  1. Drive cutting-edge AI capabilities across multiple layers of a rapidly growing product in the AI agents space.
  2. 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.
  3. Ensure a high craft and quality bar, in both AI agent performance and user experience.
  4. 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.
  5. Contribute to product reliability, code quality, AI evaluation, testing, and maintenance across the broader team.

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

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