Agents Engineer (AI)

Location: San Francisco, United States

Salary: $220,000–$405,000 annually, plus equity; USD salary ranges apply only to U.S.-based positions.

Company

Develops AI-powered products and agentic experiences, including generalized intelligence platforms, an agent ecosystem, and an Agent API.

What you will do

• Design AI agents that navigate the digital world and perform valuable work for users.
• Build agent harnesses connecting AI models with environments and tools.
• Train action and decision models for complex multimodal states and user objectives.
• Develop AI models, infrastructure, browser technologies, permission architectures, payload classifiers, and secure-by-design agentic capabilities.
• Deliver consistent experiences across desktop, mobile, headless cloud, and other environments.
• Collaborate with engineers, designers, product managers, and data scientists while contributing to reliability, code quality, evaluation, testing, and maintenance.

Requirements

• Strong foundational familiarity with the full AI product stack.
• Proficiency in Python.
• Significant experience in at least one of the following: context engineering and tool interfaces for frontier AI models; post-training and reinforcement learning, particularly for multimodal models; or browser technologies such as CDP, Playwright, and extension development.
• Strong product intuition and a high standard for user experience quality.
• Comfort working in a small, fast-moving team and taking ownership.
• Passion for shipping products that surprise and delight users.

Nice to have

• Experience with TypeScript, Go, and/or Rust.

Culture & Benefits

• Full-time U.S. employees receive equity, health, dental, vision, retirement, fitness, commuter, and dependent care benefits.
• Employees outside the U.S. receive benefits tailored to their region of residence.
• Work involves collaboration across engineering, design, product, and data science.
• Fast-moving environment with ownership and a high craft and quality bar.