PrincipalSoftwareEngineer

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. We are looking for a Principal Software Engineer to join the Advanced Analytics Platform (AAP) team. The AAP team owns the data platform powering Toast's analytics products and AI/ML capabilities. Our mission is to build the foundational data infrastructure - real-time streaming, data lakehouse, feature serving, and cloud-native analytics pipelines - that enables product teams across Toast to build intelligent, data-driven experiences for over 170,000 restaurant customers. We are in the middle of a significant platform evolution: migrating to Apache Iceberg, standing up a new Feature Store, and scaling our streaming infrastructure to meet the demands of a rapidly growing business. As a Principal Software Engineer on this team, you will play a key role in defining the technical strategy for our most critical data platform initiatives. You will define how we evolve our architecture, build the frameworks and patterns that enable other engineers to move fast, and establish Toast as a leader in data platform engineering. This is a role for someone who thinks at the level of the business problem first, translates that into clear technical direction, and brings teams along with them. A day in the life (Responsibilities) Design, build, deploy, and maintain highly resilient and scalable systems that are critical to the success of Data at Toast Develop and execute technical strategies to solve complex business challenges, leveraging data-driven decisions to prioritize impactful changes. Build and maintain strong partnerships across lines of business, aligning technical solutions with strategic objectives. Mentor and guide engineers, fostering a culture of continuous improvement, inclusivity, and engineering excellence. Effectively communicate technical direction, guide teams through execution