Fullstack Software Engineer

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Siena is the first intelligence layer for customer experience. We're creating an operating system of AI agents that learn, remember, and act across every customer touchpoint—from support conversations to shopping experiences to voice and social media interactions. Siena powers shopping agents, builds persistent customer memory, generates actionable business insights, and creates empathetic interactions that feel human. We’re transforming how businesses understand and connect with their customers, turning every interaction into intelligence that makes the next one better.

As a fullstack engineer at Siena, you’ll own projects end-to-end, developing and optimizing features within our AI-powered customer support automation platform. You’ll work closely with product, shaping our roadmap while building reliable, high-performance systems. Your code will power mi...