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Senior Backend Software Engineer - Core Backend, Cloud Customer Experience

Crusoe - Sunnyvale, CA, United States - In-office - posted 2026-08-31

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Crusoe is a vertically integrated AI infrastructure company building the full stack from energy to cloud services. The Core Backend team within Cloud Customer Experience owns the foundational services powering Crusoe Cloud's platform. You'll design, develop, and maintain scalable backend services that directly impact customer experience. Key ownership areas include: - API Gateway: the entry point for all Crusoe Cloud requests, handling routing, authentication, authorization, rate limiting, versioning, and end-to-end tracing. - Resource Management Layer: the abstraction translating customer intent into physical infrastructure, including resource models, lifecycle state machines, reconciliation loops, and capacity coordination. - Quota Management: the system of record for organizational entitlements, managing GPU, compute, storage, and networking capacity with low-latency, strongly consistent enforcement. - Notifications: the platform-wide eventing system delivering infrastructure updates via email, in-console, and webhooks with delivery guarantees and deduplication. - User Onboarding Flows: the path from sign-up to first workload, including identity provisioning, invitations, verification, and self-serve flows. Your focus will be making these systems fast, reliable, and coherent as Crusoe Cloud scales its customer base and hardware footprint. You'll collaborate with product and design teams, contribute to architectural decisions, and mentor other engineers. Experience with infrastructure tooling and modern compiled languages is valued. The role requires 3+ years of software development experience and a customer-centric mindset.

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