Staff Engineer — AI Platform Backend & Cloud Scale

Collinear AI, Inc. is seeking a hands-on Staff Engineer (MTS) to own the architecture, reliability, and evolution of its AI agent improvement platform in Sunnyvale, California. You will design multi-tenant, distributed backend systems for enterprise customers, drive platform decisions, and mentor engineers as the team scales. This role values deep technical leadership, cloud-native experience, and the ability to translate customer needs into durable platform capabilities.