Toast

Principal Software Engineer

Toast
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3 months ago
Dublin, IrelandStaff+

Responsibilities

  • Define and execute the technical architecture for scalable, reliable, and secure AI agents within the Team domain.
  • Partner with Engineering Managers and Product Managers to translate product roadmaps into technical designs and deliverables.
  • Write code, prototype new patterns, and resolve complex technical bottlenecks under load.
  • Collaborate with Principal and Senior Principal Engineers on best practices, agent patterns, and spec-driven development paradigms.
  • Guide, mentor, and elevate engineers within the Team area.

Requirements

  • 10+ years of experience designing, building, and operating highly scalable, mission-critical distributed systems and SaaS products, ideally hosted on AWS.
  • Proven ability to lead complex technical initiatives and deliver software architecture from design through production.
  • Strong enthusiasm for agentic development practices, LLM integration, and modern software paradigms.
  • Ability to design high-level technical solutions while remaining hands-on with code execution and system performance.
  • Ability to communicate complex technical ideas clearly to technical peers and product leadership.
  • Experience with LLMs, autonomous agents, or ML models is preferred.
  • Hands-on experience with enterprise integration frameworks such as Apache Camel or event-driven messaging systems such as Apache Pulsar is preferred.
  • Experience establishing CI/CD, testing, and deployment strategies for complex systems is preferred.
  • Workforce management or restaurant-operations domain knowledge is preferred.

Benefits

  • Remote work within Ireland or hybrid work in Dublin
  • Competitive compensation and benefits programs
  • Flexible benefits designed to support a healthy lifestyle and changing needs
  • Accessible and inclusive hiring process with reasonable accommodations

Tech Stack

Toast

About Toast

5,001-10,000 employees

Toast builds an all-in-one, cloud-based POS and restaurant management platform combining software, Android-based terminals, and integrated payments for restaurants. Revenue comes from SaaS subscriptions, hardware sales, and payment processing, with add-ons such as online ordering, delivery integrations, and payroll. Founded in 2011 and headquartered in Boston, it is a public company on the NYSE serving single-location eateries to multi-unit groups across the U.S. and expanding internationally.

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