Staff Platform Connectivity Engineer

Anthropic; Greater London; Hybrid; GBP 140,000 - 190,000; Full time

Job summary

Anthropic in London and San Francisco seeks a Staff+ Software Engineer on the Connectivity team to design, build, and operate the MCP proxy and OAuth/token systems that power external tool calls. You will own reliability and incident response for connectivity infrastructure, build admin controls for enterprise IT governance, and contribute to the MCP standard and SDK ecosystems.

This role requires cross‑team collaboration across time zones and a product‑driven approach to scalable, secure

Qualifications

• Backend/platform engineer with production systems experience.
• Experience integrating OAuth, token management, and external tool calls.
• Ability to ship reliable, scalable connectivity across services.

Responsibilities

• Design, build, and operate the MCP proxy and OAuth/token management systems.
• Own reliability, incident response, and postmortems for connectivity infrastructure.
• Develop admin controls and permission models for enterprise IT governance.
• Collaborate with research, product, and partner teams across time zones.

Skills

Backend engineering

Platform engineering

OAuth

Distributed systems

Cross-team collaboration

Job description

Anthropic in London and San Francisco seeks a Staff+ Software Engineer on the Connectivity team to design, build, and operate the MCP proxy and OAuth/token systems that power external tool calls. You will own reliability and incident response for connectivity infrastructure, build admin controls for enterprise IT governance, and contribute to the MCP standard and SDK ecosystems.

This role requires cross‑team collaboration across time zones and a product‑driven approach to scalable, secure