Principal Software Engineer - AI FoundationsActive

The opportunity

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. Because our technology is purpose-built for restaurants, by restaurant people - and…

What you'll do

  • Define and drive the technical architecture for AI Foundations platform,: spanning backend services, frontend tooling, and third party integrations

  • Lead full-stack design and delivery across the LLM proxy, AI key management,: observability pipelines, and internal plugin marketplace

  • Architect and deliver autonomous agents and MCP services that participate in: the software development lifecycle

  • Set and uphold engineering standards across the team: code quality, system design, testing, and operational practices

  • Mentor and technically lead engineers across all levels through design reviews, code reviews, and pairing

  • Partner with product and platform leadership to shape the AI Foundations: roadmap and translate strategy into executable technical plans

What they're looking for

  • Collaborate closely with designers and product teams to translate UX concepts: into polished, production-ready frontend experiences
  • Serve as a key technical voice in cross-team discussions, representing AI: Foundations in architecture decisions across Toast engineering
  • + years of experience designing and delivering scalable software systems,: with a strong full-stack background spanning backend services and frontend or developer-facing interfaces
  • Demonstrated experience leading technical architecture for a platform, product, or engineering team