Backend Engineer, POS & Integrations

Backend Engineer, POS & Menu Integrations About Presto Phoenix, Inc. Presto is the leading Voice AI company for restaurant drive-thrus, operating at scale in complex, noisy, customer-facing environments. As the AI partner to some of the most iconic restaurant brands in the U.S., Presto is transforming the drive-thru into a revenue engine through AI-driven ordering, personalization, and operational efficiency. AI is not a feature at Presto, it is the foundation of how we build, evaluate, and evolve our products. We operate with rapid iteration cycles and solve real-world problems where latency, reliability, and accuracy directly impact millions of customer interactions. This may not be the right fit if you're looking for a traditional 9-to-5 environment. We move at the pace of AI. Roadmaps evolve quickly, and we value builders who thrive in ambiguity, take ownership, and are excited to shape the future of real-world AI systems. The Role We are looking for a Backend Engineer to help build and scale the core systems that power Presto's Voice AI platform. This role sits at the heart of our POS & Menu Integration team, where you will design and maintain the backend infrastructure that enables real-time voice ordering. You'll work on ingesting, normalizing, and synchronizing data across a wide range of Point of Sale (POS) systems, ensuring our platform understands menus, availability, pricing, and ordering logic in real time. Success in this role requires strong backend engineering fundamentals, a systems-thinking mindset, and the ability to build highly reliable, scalable services in a fast-paced environment. What You'll Do Build and scale backend systems Design and develop scalable APIs, services, and data pipelines. Build systems that ingest, normalize, and sync POS and menu data across multiple integrations. Ensure high availability, reliability, and performance of production systems. Own system performance and reliability Optimize systems for latency, scalability, and uptime. Monitor, troubleshoot, and resolve production issues. Implement best practices for security and data protection. Write high-quality, maintainable code Write clean, efficient, and well-documented code. Develop reusable and testable components with strong emphasis on test coverage. Participate in code reviews and contribute to engineering best practices. Contribute to architecture and infrastructure Design backend architectures and make key technical decisions. Set up and manage infrastructure for owned services. Work with event-driven systems and data synchronization patterns. Collaborate across teams Partner with product, AI, and integration teams to deliver new features. Translate real-world restaurant workflows into scalable technical solutions. Contribute to technical documentation and system design discussions. What We're Looking For 4+ years of experience in backend or distributed…