Principal 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. Toast helps restaurants adapt, take control, and get back to what they do best : building the businesses they love. Toast connects employees, operations, and guests on a reliable, easy-to-use platform so restaurateurs can stay one step ahead of a rapidly evolving hospitality market. We are hiring for the 'International Payments' team - the driving force behind Toast's global expansion. We architect and scale the core payment engine powering our growth in new markets around the world. As a Principal-Engineer/Architect, you will spearhead technical strategy and architect scalable designs for Toast’s largest restaurant brands. Partnering with product, business & engineering stakeholders, you will define the technological roadmap empowering customers to unleash the full capability of Toast. You will collaborate with engineering leaders and cross-functional teams across the organization to execute robust, mission-critical solutions seamlessly integrated with external systems. You will drive the evolution of our International Payments platform, expanding Toast’s global footprint with best-in-class customer-facing Fintech products and foundational capabilities. A day in the life (Responsibilities) Gain deep expertise in Toast’s payments ecosystem to enable reliable, seamless payment acceptance and processing across our fintech portfolio. Architect resilient, high-scale, mission-critical payment platform components. Design, build, deploy, and maintain highly resilient and scalable features across Toast’s International line-of-products. Lead complex initiatives that would span multiple teams & systems. Collaborate with stakeholders across the organization - including PMs, SEs, QA, and UX - to help your teams get stuff done and deliver solutions that maximize value. Drive high-quality team output and ensure that the team makes solid technical decisions. Serve as a steward of an exceptional culture, encompassing both technical excellence and people‑centric values. Champion best practices for SDLC & CICD life-cycles. Champion the use of AI tools and practices to accelerate development, improve team velocity, and pioneer new ways of building - setting the bar for what it means to be an AI-first engineering organization. Mentor & coach engineers within the Fintech organisation. Hire and develop new team members, helping build a diverse team that wins together. What you'll need to thrive (Requirements) Strong technologist with 12+ years experience defining and implementing high scale SaaS solutions. Have strong understanding & hands-on experience of building fault-tolerant, highly-scalable & secure distributed systems. Proficiency with sql/nosql databases, strong understanding of distributed datastores and knowledge of when to use what.