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Staff/Senior Software Engineer (Voice AI Platform)

Toast

Skills

Required

  • AI
  • voice / conversational AI platforms
  • distributed systems
  • scalability
  • AI coding
  • Claude
  • Code
  • Cursor
  • AI coding tools
  • evaluation strategies
  • Java / Kotlin

Preferred

  • backend

Join Toast, a company dedicated to building a restaurant platform that empowers restaurants to thrive. As a Staff Software Engineer on the Voice AI Team, you will play a crucial role in shaping the future of voice AI at Toast. You will design and build scalable backend services, lead complex projects, and mentor engineers at all levels. This is a unique opportunity to work in a greenfield space and make a significant impact on the company and the industry.

Responsibilities

  • Conceive and lead complex, cross-cutting projects from design through production, owning outcomes and driving alignment across stakeholders.
  • Design, build, deploy, and maintain highly resilient and scalable backend services, applications, and core platform components supporting Toast's Voice AI platform.
  • Shape the technical direction on your team and beyond by making architectural decisions, defining patterns, and reducing complexity for the engineers and teams that depend on your work.

Requirements

  • Experience with voice or conversational AI platforms is a plus, but not required
  • Deep understanding of distributed systems, scalability, and production reliability
  • Experience shipping complex, mission-critical production services and owning them long-term
  • Track record of leading multi-person and multi-team projects end-to-end, from design through rollout
  • Actively uses AI coding tools (e.g., Claude Code, Cursor) in day-to-day development and have caused others to become more proficient with AI coding tools
  • Experience building and reasoning about AI-powered systems, including nondeterminism, evaluation strategies, observability, and cost management
  • Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or related field

Basic familiarity with frontend development

  • Experience developing AI-integrated products or features, with a practical understanding of how to ship and iterate on systems that incorporate LLMs or other AI capabilities
  • 8+ years of experience with object-oriented languages such as Java or Kotlin
  • Strong cross-team communication and collaboration skills; able to influence direction without formal authority both within your team and across the broader organization

Pay

USD 151,000 - 309,000

Every job at Toast