Member of Technical Staff (AI Software Engineer, Agents)

Perplexity

$130K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Strong foundational familiarity with the full AI product stack.
  • Proficiency in Python; knowledge of TypeScript, Go, or Rust is a plus.
  • Significant experience in one or more of the following: context engineering, post-training and reinforcement learning, or browser technologies.
  • Strong product intuition and commitment to user experience excellence.
  • Adaptable and comfortable working in a fast-paced, small team environment with a proactive approach.
  • A passion for delivering innovative products that captivate users.

Responsibilities

  • Engineer agent harnesses for dynamic interaction with powerful AI models.
  • Advance cutting-edge AI capabilities within a rapidly growing product portfolio.
  • Develop infrastructure and technologies to scale AI capabilities for a large user base.
  • Maintain rigorous standards in AI agent performance and user experience quality.
  • Collaborate with cross-functional teams to integrate core functionalities into agent products.
  • Contribute to the overall reliability and maintainability of AI code and infrastructure.

Benefits

  • Opportunity to work with cutting-edge AI technologies.
  • Collaborative environment with talented professionals from diverse backgrounds.
  • Chance to influence the direction of innovative AI products.
  • Support for personal growth and skill development in a fast-paced setting.
Full Job Description
These experiences include Perplexity Computer (our platform for generalized frontier intelligence), the Comet ecosystem, our Agent API, and more.

Our vision is to empower our users with agents that can faithfully actualize their intent, however and wherever expressed, through open-ended interactions with the world. As an engineer on our Agents team, you will bring AI expertise, sharp product intuition, and a tinker's mindset to advance the frontier of what agents can accomplish for our millions of devoted users. You will work across applied research and engineering to solve many open problems in AI, including:
  • Designing AI agents to navigate the digital world and perform increasingly valuable units of work for our users;
  • Training action and decision models that determine, based on complex multimodal states, how to accomplish user-specified objectives;
  • Providing consistently excellent experiences across desktop, mobile, headless cloud, and other environments through flexible abstractions and frictionless backgrounding;
  • Developing permission architectures, payload classifiers, and other methods to implement secure-by-design agentic capabilities;
  • Designing optimal data representations and modes of interaction between agents and their environments;
  • and much, much more.
Responsibilities
  • Engineer agent harnesses that connect powerful models with the environments and tools required to perform economically valuable work for users.
  • 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 userbase.
  • 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 our frontier agentic products and vice-versa.
  • Contribute to product reliability, code quality, AI evaluation, testing, and maintenance across the broader team.
Qualifications
  • 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 the following areas:
    • 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, must be willing to dive in and take ownership.
  • A passion for shipping products that surprise and delight.

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