Member of Technical Staff (AI Software Engineer, Agents)

3w3 weeks ago

Perplexity

San Francisco, US · Full-time · $220,000 – $405,000

About this role

Join Perplexity's highly driven Agents engineering team, composed of backend, full-stack, and AI/ML engineers. The team builds delightful agentic experiences within the Comet ecosystem and Perplexity Computer, aiming to empower users with AI agents that faithfully actualize their intent.

As an engineer, you will bring AI expertise, sharp product intuition, and a tinkerer's mindset to advance the frontier of what agents can accomplish. You will work across applied research and engineering to solve open problems in AI, like designing agents and training decision models.

The team operates with a small, fast-moving structure where you will collaborate with engineers, designers, product managers, and data scientists. You will ensure a high craft and quality bar in both AI agent performance and user experience across the product.

This role offers the opportunity to drive cutting-edge AI capabilities across multiple layers of a rapidly growing product. You can shape the future of AI agents for millions of devoted users and take ownership of solving many open problems in artificial intelligence.

Requirements

Strong foundational familiarity with the full AI product stack.
Proficiency in Python (bonus points for TypeScript, Go, and/or Rust).
Significant experience in at least one of: context engineering and tool interfaces for frontier AI models; post-training and reinforcement learning (particularly for multimodal models); or browser technologies (CDP, Playwright, extension development, etc.).
Strong product intuition and taste for user experience excellence.
Comfortable working with a small, fast-moving team, must be willing to dive in and take ownership.
A passion for shipping products that surprise and delight.

Responsibilities

Drive cutting-edge AI capabilities across multiple layers of a rapidly growing product in the AI agents space.
Develop and leverage cutting-edge AI models, infrastructure, and browser technologies to advance the capability frontier and scale those capabilities for a rapidly growing user base.
Ensure a high craft and quality bar in both AI agent performance and user experience.
Collaborate with fellow engineers, designers, product managers, data scientists, and others across the company to integrate core Perplexity functionality into frontier agentic products.
Contribute to product reliability, code quality, AI evaluation, testing, and maintenance across the broader team.
Train action and decision models that determine, based on complex multimodal states, how to accomplish user-specified objectives.