Senior Backend Engineer - AI-Driven Task Workflows Platform

Brex is seeking a Senior Software Engineer for the Task Workflows Platform to design and scale backend systems powering multi-channel notifications, collaborative commenting, and the dynamic workflow rule builder. You will help evolve orchestration infra toward domain-specific solutions, and advance AI-powered user workflows across the company. In this role you will lead end-to-end features, mentor peers, shape architecture, and collaborate with Sales and Support to align technical effort with