Senior Software Engineer

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’re looking for a Senior Software Engineer to help build and scale Toast’s labor cost and timekeeping platforms - systems that directly influence labor spend for more than 166,000 restaurant locations. You’ll work on highly visible, mission-critical infrastructure supporting millions of employees and operators across Toast restaurants. In this role, you’ll gain hands-on experience with large-scale, data-intensive systems. We’ve processed over a billion shift records and are in the midst of an exciting architecture modernization to support rapid growth and faster development. We are operating at true scale, pushing the limits of our databases. If you’re excited to lay the technical foundation for the next generation of labor cost management—and to help restaurant operators save real money—we’d love to hear from you. A day in the life (Responsibilities): Drive the evolution of our next-generation timekeeping platform, operating at significant scale and processing tens of millions of shift events each week Build, run, and improve core backend systems alongside a collaborative, supportive team. Take end-to-end ownership of systems, contributing to a strong engineering culture focused on quality, reliability, and long-term maintainability Lead work across the full development lifecycle—design, estimation, implementation, testing, debugging, and deployment—while learning and applying best practices for building and operating reliable systems at scale. Ship code that directly impacts Toast’s growth and the day-to-day operations of restaurant teams Partner with product and design to influence what we build and how we build it Contribute to and elevate team standards through thoughtful code reviews and technical discussions Mentor and provide technical guidance to other team members What you'll need to thrive (Requirements) 5+ years of back-end experience with one or more object-oriented programming languages (such as Java, Kotlin, or similar). Experience owning and operating production systems. A track record of tackling ambiguous, high-impact challenges and delivering scalable solutions Ability and motivation to learn quickly and apply knowledge to solve real problems A hunger to take on challenging projects and build systems that operate at massive scale. Above all, we’re looking for a strong engineer with solid fundamentals. AI at Toast At Toast, one of our company values is that we're hungry to build and learn. We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality. We provide these tools across all disciplines, from Engineering and Product to Sales and Support, and are inspired by how our Toasters are already driving real value with them. The people who thrive here are those who embrace changes that let us build more for our customers; it’s a core part of our culture. Our Total Rewards Philosophy We strive to provide competitive compensation and benefits programs that help to attract, retain, and motivate the best and brightest people in our industry. Our total rewards package goes beyond great earnings potential and provides the means to a healthy lifestyle with the flexibility to meet Toasters’ changing needs. Learn more about our benefits at https://careers.toasttab.com/toast-benefits . #LI-HYBRID #BI-Hybrid How Toast Uses AI in its Hiring Process Throughout the hiring process, our goal is to get to know you. We use AI tools to support our recruiters and interviewers with tasks like note-taking, summarization, and documentation of interviews to ensure they can be fully focused on your conversation. All hiring decisions are made by people. To learn more: https://careers.toasttab.com/ai-in-hiring Our Approach to Hybrid Working We embrace a hybrid work model that fosters in-pe