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Anthropic Logo

Software Engineer, Platform

Anthropic

$320,000 - $405,000
Oct 16, 2025
San Francisco, CA, US
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Anthropic is looking to hire backend/platform software engineers to build foundational primitives that accelerate product development across the company, focusing on areas like billing, product platform capabilities, and identity/authentication infrastructure to support rapid growth and ensure reliability and scalability of AI systems.

Requirements

  • Have 6+ years of practical experience as a backend or platform engineer building scalable distributed systems
  • Have strong coding skills and experience with service-oriented architectures
  • Have worked with NLP and ML models and understand their capabilities and limitations
  • Have experience with REST APIs
  • Have experience with React and Frontend frameworks
  • Have built billing platforms or payment systems
  • Experience with distributed systems that need to be both fast and correct: real-time tracking, revenue reconciliation across payment providers, and ledger systems that ensure accuracy at scale

Responsibilities

  • Build and scale platform components to handle Anthropic’s rapid growth
  • Design and architect platform components that are composable and deliver value for a variety of use cases
  • Collaborate closely with product teams to understand their needs and build platform capabilities that accelerate their feature delivery
  • Make build vs buy decisions, evaluating and implementing 3rd party solutions when most impactful
  • Set technical direction and vision for various product and platform features
  • Partner with research to quickly prototype and launch new capabilities based on research breakthroughs
  • Build and operate the billing infrastructure that powers all of Anthropic's products

Other

  • Have worked in early start-up or otherwise fast moving, rapidly evolving environments, and have ideally built products from 0 to 1
  • Take full ownership of your work, navigate ambiguity effectively, and proactively overcome obstacles to deliver results
  • Are comfortable diving into any part of the system, whether it's infrastructure, services, or product frontends, to deliver effective solutions
  • Enjoy working with a fast-paced team tackling cutting-edge problems in AI safety and conversational AI
  • Take a product-focused approach and care about building solutions that are robust, scalable, and easy to use