Software Engineer, Core Services

About the Company

Cursor's mission is to automate coding. We are building the best tool for professional programmers using a combination of inventive research, design, and engineering. Our organization is flat, small, and talent-dense.

Responsibilities

• Own critical shared services including authentication, webhooks, and backend systems powering agent workflows
• Design and implement scalable authentication architectures
• Manage infrastructure for agent workflows, optimizing for performance and reliability
• Build robust webhook servers with high-throughput event delivery and observability
• Harden SCM integrations by building resilient abstractions over source control providers
• Partner with client and inference teams to improve end-to-end agent reliability

Requirements

• Experience building and operating critical backend services (auth systems, API gateways, or webhook infrastructure)
• Experience with agentic products or infrastructure
• Strong software engineering fundamentals
• Experience owning the full lifecycle of production services
• Deep interest in clean abstractions and well-defined service contracts