Position Details

Type Not Specified

Experience senior

Exp. Years 5+ years

Education Bachelor’s degree or equivalent in a related field

Category Software Engineering

About this role

Anthropic is seeking a backend-focused software engineer to work on Claude API, delivering scalable, secure, cloud-native backend systems and enabling enterprise-grade features. The role spans across API core, capabilities, and distributability with emphasis on reliability and developer experience.

Key Responsibilities

Build and scale the Claude API core serving path
Develop Claude API capabilities (vision, tool use)
Productionize Claude across cloud environments
Improve developer experience and tooling
Security and enterprise-grade deployments

Technical Overview

Core stack involves Python/Go, REST APIs, cloud infrastructure, containerization (Docker, Kubernetes), and security-focused architecture with RBAC and IAM considerations.

Ideal Candidate

The ideal candidate is a senior backend engineer with 5+ years of experience, strong Python/Go skills, and a solid foundation in cloud infrastructure, containerization, and security-focused design. They should own features end-to-end from design to production and thrive in a hybrid, multi-office environment.

Must-Have Skills

5+ years of relevant industry experience as a backend or product engineerProficient in PythonGoor similar backend languagesExperience with modern cloud infrastructureStrong product senseTake full ownership from design through deployment and operationsAbility to navigate ambiguityCare deeply about code qualitytestingand operational excellence

Nice-to-Have Skills

Experience building or maintaining billingpaymentsor financial infrastructureFamiliarity with containerizationsandboxed execution environmentsor security-focused infrastructure designExperience with identity and access management systems (authenticationauthorizationSSORBAC)Exposure to ML/AI systems or understanding of LLMs

Tools & Platforms

Claude APICI/CD systems

Required Skills

5+ years backend or product engineering; proficiency in Python or Go; experience with cloud infrastructure; strong product sense; ownership from design to deployment; navigate ambiguity; code quality and security

Hard Skills

PythonGoREST APIsCloud infrastructureContainerizationDockerKubernetesRBACIdentity and Access ManagementSecurity-focused infrastructure design

Soft Skills

ownershipproduct sensecommunicationability to navigate ambiguitycollaborationattention to code quality and security

Industry & Role

Industry AI & Machine Learning

Job Function Backend engineer building Claude's API platform and services

Role Subtype Backend Engineer

Tech Domains Python, Docker, Kubernetes

Keywords for Your Resume

Software EngineerBackendClaude APIClaudePythonGoREST APIscloud infrastructurecontainerizationDockerKubernetesRBACIdentity and Access ManagementsecurityCI/CDLLMsAIproductionhybridpythongorest apidockerkubernetesrbacidentity and access managementci/cd

Deal Breakers

Less than 5 years of backend experience, Lack of Python/Go expertise, No cloud or containerization experience

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