Backend Engineer

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About this role

Backend Engineer San Francisco About Navier AI Navier AI is building the first autonomous engineering agents. AI systems that can design, simulate, and optimize complex products to achieve breakthrough levels of performance. Our mission is to enable engineers to move beyond today's slow, manual design cycles by providing agents that reason about physics, explore design trade-offs, and generate high-performance solutions across aerospace, automotive, and advanced manufacturing. We're backed by top-tier investors and work directly with industry leaders to deploy AI-native tools that go far beyond today's design automation. Role Overview We're hiring a Backend Engineer to help build the infrastructure behind our autonomous engineering agents. You'll work across model serving, simulation orchestration, multi-agent coordination, and developer-facing APIs. This role is critical to delivering fast, reliable, and scalable systems that engineers can trust in production design environments. Responsibilities - Own core backend systems for serving AI agents and managing their compute, data, and model coordination - Design and implement APIs that expose agent functionality-simulation control, CAD operations, optimization workflows-to internal tools and customer integrations - Build secure, scalable infrastructure for multi-agent orchestration, including support for containerized workloads, caching, and distributed compute - Collaborate closely with ML, frontend, and simulation engineers to create a cohesive, performant product experience - Integrate external tools such as CAD software, simulation backends (e.g., OpenFOAM), and data stores into our pipeline - Support agent development workflows, including tooling for versioning, introspection, and reproducibility - Contribute to infrastructure decisions that will shape the technical foundation of our platform

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