Join the Core Frameworks team, a focal point for foundational engineering at Toast. The Core Frameworks team empowers developers across the company by building and maintaining the core libraries and tools used for developing web services. We maintain and grow local development tools that accelerate engineers in the inner-loop of development, increasingly leveraging AI to enhance these workflows. As a Senior Software Engineer, you will be crucial in maintaining and enhancing the infrastructure and tools used by hundreds of developers at Toast to create a best-in-class customer and guest experience. You'll work on developing new features-including AI-assisted capabilities-that will enable other programmers to be more productive and effective in doing their jobs. We seek a proactive and skilled Senior Software Engineer with a strong background in building core libraries and developer tooling. In this role, you will work as part of a team of talented engineers and collaborate closely with product managers and internal users. You will design, develop, and maintain tools that streamline the software development lifecycle, exploring how AI can further optimize these processes. You'll also contribute to key internal development platform components like service templates, manage LaunchDarkly for the company, and help teams identify dependencies that need to be upgraded. This position is ideal for someone with an eye toward systematic software development and is passionate about delivering high-quality software solutions that improve the work of other developers. **A day in the life (Responsibilities)** - Lead complex projects that impact developers across Toast - Participate in code reviews and provide constructive feedback to peers - Troubleshoot, debug, and resolve production issues as they arise - Participate in architectural discussions and influence the technical roadmap - Advocate for best coding practices to raise the bar for you, your team, and the company - Mentor and provide technical guidance to other team members - Leverage cutting edge AI tools to enhance your development workflow, improve velocity, and help pioneer new approaches to building - contributing to a culture of innovation and productivity across the team. **What you'll need to thrive (Requirements)** - Demonstrated leadership driving significant projects to completion from design to rollout - Expertise with Kotlin/Java - Experience integrating AI into developer tools - Familiarity with developer tools: AWS, Docker, GitHub - Experience building Backend API Services on a product-oriented team - Confidence to take on big challenges and humility to ask questions when necessary **What will help you stand out (Nonessential Skills/Nice to Haves)** - Experience with one of the API standards: OpenAPI, gRPC or GraphQL - Exposure to React/Typescript and Go - Understanding of CICD workflows - Experience with ECS/K8s, Gradle and Postgres - Experience with Backstage Developer Portal **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. The base salary range for this role is listed below. The starting salary will be determined based on skills, experience, and geographic location. In addition to base salary, our total rewards components include cash compensation (overtime, bonus/commissions if eligible), equity, and benefits. You can learn more about how we align pay with local labor markets in our Geographic Pay Zone Philosophy. Zone A $159,000-$254,000 USD Zone B $138,000-$221,000 USD Zone C $125,000-$200,000 USD **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-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the hospitality community, regardless of location. Please visit the Locations page on our career site to learn more about our in-office expectations by region: https://careers.toasttab.com/locations-toast **We Thrive Together** We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community. To learn more about how we work globally and regionally, check out: https://careers.toasttab.com/locations-toast. **Apply today!**