Principal Infrastructure Engineer

Toast Toast · Enterprise · Ireland · Remote · R & D : Cloud Service Infra : Platform Infrastructure

Principal Infrastructure Engineer at Toast, focused on leading the architecture of systems powering the developer ecosystem and software delivery lifecycle. This includes platforms for code collaboration, service discovery, developer workflows, and CI/CD at scale. The role involves optimizing developer tooling, evolving the developer portal, designing CI/CD pipelines, and architecting the developer platform to serve both human developers and AI agents, ensuring safety and operability at scale. The company emphasizes AI-assisted development and the use of AI tools daily by engineers, with AI agents participating in various operational workflows.

What you'd actually do

  1. Define and drive the architecture of the end-to-end developer experience across source control (GHES), developer portal (Backstage), engineering metadata, and CI/CD systems
  2. Optimize developer tooling to enhance engineering productivity, accelerate feedback loops, and reduce friction across the SDLC
  3. Own and evolve the developer portal as the central system for service discovery, documentation, and workflow orchestration
  4. Design and improve CI/CD pipelines, build systems, and release processes to increase reliability, security, and delivery speed
  5. Architect the developer platform to serve both human developers and AI agents, maintaining the guardrails that make both safe to operate at scale

Skills

Required

  • Deep software engineering background building platforms, developer tooling, or software delivery systems
  • Experience working with systems like GitHub Enterprise, Backstage or similar portals, and CI/CD platforms at scale
  • Strong understanding of developer workflows across the software development lifecycle
  • Ability to design systems that span multiple tools, teams, and stages of the SDLC
  • Track record of improving developer productivity or engineering effectiveness at scale
  • Demonstrated ability to drive adoption of technical standards across teams you do not control
  • Experience building or scaling internal developer platforms
  • Familiarity with artifact management, dependency management, and release governance
  • Experience using data and telemetry to improve engineering workflows
  • Strong working expereince in languages such as Go, Java, and Kotlin

What the JD emphasized

  • AI-assisted development is deeply embedded in engineering at Toast.
  • AI agents participate in code review, build triage, and operational workflows.
  • Architect the developer platform to serve both human developers and AI agents