Staff Backend Engineer – Scalable AI Platform

Anthropic Limited

San Francisco, New York (CA, NY)

Hybrid

USD 405,000 - 485,000

Full time

5 days ago

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Benefits offered by this job

Competitive compensation

Equity donation matching

Generous vacation

Parental leave

Flexible working hours

Office space

Job summary

Anthropic Limited in San Francisco seeks experienced backend engineers to own the backend systems powering Claude API, Claude Code, and Claude.ai. You will scope multi-month projects, lead peers, and drive technical and product decisions while staying hands-on with code and models.

You'll collaborate with product, design, GTM, and research to identify capability gaps and translate model improvements into shipped features, focusing on reliability and scalability for hundreds of thousands of

Qualifications

8+ years of backend or product engineering experience.
Experience leading multi-month projects or teams as a tech lead.
Strong coding fundamentals across backend systems, APIs, and integrations.
Ability to guide architecture and ship reliable, scalable software.

Responsibilities

Own backend systems powering Claude API, Claude Code, and Claude.ai.
Scope complex, multi-month projects and lead product decisions.
Ensure reliability and scalability for hundreds of thousands of users.
Collaborate with product, design, GTM, and research to identify capability gaps.
Translate model improvements into shipped features and drive architectural decisions.