Anthropic★5.0 (1)· London

Lead a team building Anthropic's connectivity infrastructure — the MCP proxy, OAuth, and token management — using Python and TypeScript SDKs to support Claude.ai, Claude Code, Cowork, and the API. The Connectivity team makes Claude the most connected AI, defining how agents safely access external systems with enterprise trust. This London-based manager role spans San Francisco and London.

Sierra★3.4 (6.7k)· London

You'll lead an engineering team building production-grade AI agents for enterprises across finance, healthcare, and commerce using tools like eval frameworks, RAG pipelines, and prompt engineering. The role spans the full agent development lifecycle—from pilot to deployment—while partnering with large enterprises and startups to translate their business challenges into scalable, reliable AI systems. You'll guide team growth and shape Sierra's core platform based on direct customer insights.

Anthropic★5.0 (1)· London

You'll work on distributed systems for Claude's inference infrastructure across multiple cloud platforms and AI accelerators, using Python, Rust, Kubernetes, and tools for load balancing and request routing. The Inference team at Anthropic builds the critical systems serving Claude to millions of users worldwide, balancing compute efficiency with enabling breakthrough research. You'll handle challenges like intelligent routing algorithms, fleet autoscaling, deployment pipelines, and multi-region deployments.