Staff Backend Engineer

About Stack AI Stack AI is a no-code, drag-and-drop platform for designing, testing, and deploying AI workflows powered by large language models. Our visual interface lets teams connect data sources to AI models and ship production applications — chatbots, document processing pipelines, database Q&A tools, and more — without writing code. We're scaling from thousands to millions of users, and the backend systems that make that possible need a dedicated technical leader. That's where you come in…