Senior Fullstack Engineer — Own End-to-End LLM Platforms

Siena is a globally distributed, async-first engineering team building a next-generation CX platform. You will own meaningful parts of the platform end to end, collaborating with product to shape scope and make architectural calls in your domain. Expect ownership, fast feedback loops, and high-impact releases that improve real brands’ daily operations. We value strong ownership, practical AI fluency, and a bias for action. J-18808-Ljbffr