Senior Software Engineer, Voice AI Platform

Toast is seeking a Senior Software Engineer to join its Voice AI Team, building and operating the voice platform that powers the company's restaurant products. This greenfield role involves designing reliable backend services, leading cross-cutting projects, and shaping the technical direction of AI-powered systems. The team focuses on shipping novel voice AI applications and integrating with LLMs and other AI platforms.

• Design, build, deploy, and maintain highly resilient and scalable backend services and applications supporting Toast's Voice AI platform
• Lead complex, cross-cutting projects from design through production, owning outcomes and driving alignment across stakeholders
• Shape the team's technical direction by making architectural decisions, defining patterns, and reducing complexity for the engineers around you
• Build and evolve integrations with AI platforms and internal Toast systems, making pragmatic tradeoffs between speed, reliability, and long-term scalability
• Design and implement observability, monitoring, and evaluation frameworks for AI-powered systems, using production data to understand and continuously improve system behavior
• Advocate for engineering quality and best practices, raising the bar for the team and the broader organization
• Mentor engineers at all levels through code reviews, design feedback, and technical guidance