Staff+ Software Engineer, Platform Intelligence

📋 Job Overview

Platform Intelligence turns each new Claude model's abilities into API features that developers can build on. Our goal is to make the full intelligence of each model available through the API. We own the capabilities that shape what Claude can do for developers: tool use, built-in tools such as web search and code execution, thinking controls, structured outputs, and the memory, files, and skills APIs.

🏢 About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.

🎯 The Role

The work sits where research meets product. We work with new models before they are public. When a model gains a new ability, we work out what it should look like as an API, build it, and ship it to developers on our own platform and on cloud platforms. Those decisions shape how developers first use each model. We also own API versioning and the evals that tell us a capability works in production.

✅ Key Responsibilities

• Lead the design, build, and operation of API capabilities used by developers around the world.
• Lead the API side of new model launches, planning the work, tracking readiness across teams, resolving issues, and seeing the launch through.
• Set technical direction for work that spans several teams, write clear design proposals, review API designs from other teams, and mentor engineers on the team.

📌 Required Qualifications

• Have led technical projects that spanned several teams, from design through launch and operation.
• Have designed and operated production distributed systems where correctness, latency, and availability all matter.
• Have strong product sense and care about API design and developer experience.
• Make sound technical decisions with incomplete information, as models and priorities change close to a launch.
• Explain tradeoffs clearly to research, product, and go-to-market partners, including non-engineers.
• Make the engineers around you better through design review and mentoring.
• Use AI tools as a regular part of how you design, build, and review software.
• Care about the societal impacts of your work and Anthropic's mission to build safe, beneficial AI.

⭐ Desirable Experience

• Building public APIs, SDKs, or developer platforms.
• Working with large language models, including tool use, agents, or evals.
• Running launches or migrations with fixed deadlines and many dependent teams.
• Building tools for agents, such as search or code execution.
• Storage, memory, or context systems at scale.
• Integrating with cloud platforms such as AWS, Google Cloud, and Azure.

🎁 Benefits

Annual Salary: $405,000 - $485,000 USD

Anthropic is a public benefit corporation headquartered in San Francisco. We offer competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a lovely office space in which to collaborate with colleagues.

🛂 Visa & Eligibility

We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this.