Software Engineer, Reliability

Ensures the reliability and scalability of Cursor's AI-powered IDE by building robust infrastructure, guardrails, and observability tooling.

• •Cursor is hiring a Software Engineer, Reliability to help scale their AI-powered IDE with a high reliability bar.
• •You will work across the full stack, including client, backend services, and infrastructure, to identify bottlenecks and ship durable technical fixes.
• •Key Responsibilities Own reliability end-to-end, from user-facing symptoms to root causes in services or infrastructure.
• •Design and implement resilience patterns like fallbacks and routing strategies for upstream dependency failures.
• •Build and maintain reliability guardrails, including deployment safety, rollbacks, and automated checks.
• •Improve observability through metrics, logs, and traces to enable rapid incident response.
• •Requirements Expert-level experience in at least one of: Go, Node/TypeScript, or Python.
• •Deep practical knowledge of AWS and modern orchestration patterns like Kubernetes or ECS.
• •Strong software engineering instincts with a track record of owning production reliability.
• •Experience with observability systems and cross-team technical leadership.