Staff+ Software Engineer, Backend

Anthropic is seeking experienced backend engineers to own and develop the core systems powering their AI products, including the Claude API and Claude.ai. You will lead complex projects, make critical architectural decisions, and collaborate across teams to translate cutting-edge AI research into scalable, reliable products for a global user base.

• Own backend systems for API, Claude Code, and Claude.ai
• Scope and lead complex, multi-month projects
• Make architectural decisions for reliability and scalability
• Drive alignment with product, engineering, and research teams
• Translate frontier model improvements into shipped products
• Mentor and grow peer engineers