Staff+ Software Engineer, Claude App Infrastructure

at Anthropic

📍 New York City, United States
📍 San Francisco, United States
📍 Seattle, United States

USD 320,000-485,000 per year

SENIOR

✅ Hybrid

✅ Visa Sponsorship

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 @ 4 AWS @ 4 Airflow @ 3 Azure @ 4 Debugging @ 4 Distributed Systems @ 4 GCP @ 4 Go @ 6 Linux @ 4 Observability @ 4 Python @ 6 Rust @ 6 Security @ 7

Details

Claude App Infrastructure owns the reliability, experience, and agentic capabilities of claude.ai. The team is responsible for the serving architecture that keeps Claude available at scale, the conversation experience, and the infrastructure that enables product teams to ship safely and quickly. The team is also building the agentic layer for task execution, personalization, browser use, and server-side tools.

Responsibilities

Design and build sandboxed compute environments where Claude can safely execute code, access tools, and interact with external services.
Build state management systems for long-running agent tasks, including checkpoints, recovery, and resumption across failures.
Develop authentication and authorization frameworks for delegated access so Claude can act on behalf of users securely.
Create observability and debugging tools for agent execution to understand what Claude did, why it did it, and how to improve it.
Partner closely with product and research teams to define possibilities and ship products.

Requirements

Experience building distributed systems, infrastructure, or platform services at scale.
Experience with cloud-native infrastructure on GCP, AWS, or Azure.
Experience with containers, sandboxing, or secure execution environments such as gVisor, Firecracker, or V8 isolates.
Ability to write clean, maintainable code in Python, Go, Rust, or a similar language.
Strong focus on security, isolation, and building systems that fail safely.
Minimum education: bachelor's degree or an equivalent combination of education, training, and/or experience.
Relevant field of study demonstrated through coursework, training, or professional experience.

Preferred Qualifications

Comfort with ambiguity and greenfield work involving architecture design.
Interest in problems without existing playbooks.
Experience building multi-tenant execution platforms or serverless infrastructure.
Background in security engineering, sandboxing, or isolation technologies.
Familiarity with workflow orchestration systems such as Temporal, Airflow, or Step Functions.
Experience with state machines, checkpointing, or durable execution patterns.
Low-level systems experience, including Linux internals, eBPF, or container runtimes.

Compensation

Annual salary: $320,000–$485,000 USD.

Benefits

Anthropic offers competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and office spaces for collaboration.

Work Policy and Visa Support

Staff are expected to work in one of Anthropic's offices at least 25% of the time, although some roles may require more office time. Anthropic sponsors visas where possible and makes reasonable efforts to support visa applications, with assistance from an immigration lawyer.