Staff Software Engineer, Finance Automation

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. Toast is looking for a hands-on Staff Software Engineer to join the Finance AI & Automation team within the Office of the CFO. In this role, you will serve as a primary technical authority and builder, transforming working AI prototypes into enterprise-grade backend microservices, data pipelines, and internal tools that eliminate manual friction across the finance stack. Sitting on a central Engineering team, you will bridge the gap between rapid AI innovation and robust systems architecture. While your primary mastery lies in distributed backend systems and event-driven integrations, you will also own the lightweight frontend UI surfaces and operator tools that allow Finance teams to interact with these automations seamlessly. A day in the life (Responsibilities) Hands-on Execution & Leadership: Spend the majority of your time "hands-on-keyboard," architecting, coding, and operating high-performance backend services using Kotlin and AWS. Productionize AI Workflows: Take working agentic prototypes built by Finance operators and turn them into scalable, monitored, and permissioned microservices with audit trails and automated error handling. End-to-End Internal Tooling: