Senior Fullstack Engineer - Own High-Impact AI Systems

Siena is seeking a senior software engineer to own meaningful parts of the platform end to end, shipping reliable, high-performance systems used by global brands. You’ll partner with product to shape scope, make architectural calls, and drive delivery with autonomy and accountability. You’ll work on full-stack features across frontend, backend and infrastructure, tackle performance at scale, and push boundaries with enterprise-grade AI workflows. J-18808-Ljbffr