Member of Technical Staff (AI Software Engineer, Agents)

USD 220,000-405,000 per year

MIDDLE

✅ On-site

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

AI @ 3 API @ 3 CDP @ 3 Go @ 1 Machine Learning Playwright @ 3 Python @ 1 Reinforcement Learning @ 3 Rust @ 1 TypeScript @ 1

Details

Perplexity is seeking engineers to join its Agents engineering team within AI Research & Systems. The team includes backend, full-stack, and AI/ML engineers who build harnesses and AI systems powering agentic experiences, including Perplexity Computer, the Comet ecosystem, and the Agent API.

The role focuses on advancing AI agents that can faithfully actualize user intent through open-ended interactions with the world. Engineers will work across applied research and engineering to design agents, train action and decision models, support desktop, mobile, and headless cloud environments, develop secure-by-design agentic capabilities, and optimize data representations and agent-environment interactions.

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 an AI agents product.
Develop and leverage AI models, infrastructure, and browser technologies to advance capabilities and scale them for a growing user base.
Maintain a high quality bar for AI agent performance and user experience.
Collaborate with engineers, designers, product managers, data scientists, and others to integrate Perplexity functionality into frontier agentic products.
Contribute to product reliability, code quality, AI evaluation, testing, and maintenance.

Requirements

Strong foundational familiarity with the full AI product stack.
Proficiency in Python; TypeScript, Go, and/or Rust experience is a bonus.
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, including CDP, Playwright, and extension development.
Strong product intuition and a focus on user experience excellence.
Comfortable working on a small, fast-moving team and taking ownership.
Passion for shipping products that surprise and delight.

Benefits

Salary range of $220,000–$405,000 USD per year.
Equity.
U.S. full-time employees receive benefits including health, dental, vision, retirement, fitness, commuter, and dependent care accounts.
International employees receive benefits tailored to their region of residence.
Final offer amounts vary based on experience, expertise, and other factors.