Staff+ Software Engineer, Claude App Infrastructure

Job Overview

We're seeking a Staff+ Software Engineer to join our Claude App Infrastructure team at Anthropic. You'll work on the platform team for Anthropic's flagship consumer product, claude.ai, focusing on serving architecture, conversation experience, and infrastructure.

Key Responsibilities

• Design and build sandboxed compute environments for safe code execution, tool access, and external service interaction.
• Develop state management systems for long-running agent tasks, including checkpoints, recovery, and resumption across failures.
• Create authentication and authorization frameworks for delegated access.
• Build observability and debugging tools for agent execution.
• Collaborate with product and research teams to define and ship new features.

Requirements

• Experience with distributed systems, infrastructure, or platform services at scale.
• Comfort with cloud-native infrastructure on GCP, AWS, or Azure.
• Experience with containers, sandboxing, or secure execution environments.
• Proficiency in languages like Python, Go, Rust.
• Focus on security, isolation, and safe system failures.

Preferred Qualifications

• Experience with multi-tenant execution platforms or serverless infrastructure.
• Background in security engineering, sandboxing, or isolation technologies.
• Familiarity with workflow orchestration systems.
• Experience with state machines, checkpointing, or durable execution patterns.
• Low-level systems experience.

Compensation

The annual salary range for this role is $320,000 - $485,000 USD.

Logistics

• Minimum education: Bachelor’s degree or equivalent.
• Required field of study: Relevant to the role.
• Location-based hybrid policy: 25% office time.
• Visa sponsorship: Available.