Senior Principal Software Engineer, AI Agents (Dublin, Ireland)

Toast
London, GB
Hybrid

Who this role is best for

Aimed at senior technologists with 15+ years in scalable SaaS who thrive in hybrid Dublin roles driving AI agent architecture.

Best fit for

  • Seasoned architects who can whiteboard systems while diving into code under load.
    — “Ability and desire to draw big lines and boxes on a whiteboard paired with the ability to dig in and understand the ebb and flow of what the code is doing under load
  • Executives-turned-builders comfortable influencing both technical and business strategy.
    — “Ability and desire to communicate and influence at the executive level
  • SaaS veterans ready to commit to agentic development as a core paradigm.
    — “A strong desire to lean all in on agentic development practices

Things to consider

  • Full relocation to Dublin required despite hybrid work model.
    — “This hybrid role is based in Dublin, Ireland (Full relocation provided)
  • 15+ years experience is a hard floor, not aspirational.
    — “15+ years experience designing and building highly scalable, mission-critical distributed and fullstack software systems

How to stand out

  • Frame past work as enabling autonomous systems, not just delivering features.
    — “Passion for building autonomous agents
  • Highlight specific AWS-hosted SaaS scaling challenges you've solved.
    — “10+ years experience building and operating SaaS products, ideally AWS hosted
  • Prepare examples of bridging technical and non-technical executive discussions.
    — “A desire to work not only with technologists but also product owners and business leaders
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · TeamLevel · Senior

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • successful delivery of AI agent products
  • improved technical architecture
Typical background
software engineeringAI development

Skills & requirements

Required

Distributed SystemsEvent-driven ArchitectureAPI Design

Preferred

LlmsApache CamelApache Pulsar

Stack & domain

AWSSaasLlmsApache CamelApache PulsarWorkforce ManagementRestaurant Operations

About the role

Original posting from Toast

This hybrid role is based in Dublin, Ireland (Full relocation provided).

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.

Your mission is to drive architecture, technical strategy, and implementation of AI agents for Toast's Team area which is part of the Fintech line of business. You will be one of the most senior technologists in line of business. The Team area is a mission-critical space on which our restaurants rely to manage their staff and optimize their labor. Beyond being on the forefront of agent development, your scope will also include enablement and leadership for how software is developed at Toast through adoption of bleeding edge spec driven development and other paradigms. 

A day in the life (Responsibilities)

Develop and drive an architectural vision to support the ambitious goals for agents and agent development

Be an active participant and an authoritative technical voice in FinTech product strategy discussions

Partner with the Team Management Director of Engineering and Sr. Director of Product to successfully deliver Team agent products from design to production

Work closely with other Senior Principal Engineers to further the agent patterns and ecosystem across Toast as a whole

Evolve an ever more efficient way of working through agents and spread it across Toast

Work directly with the product manager for the Team Agent space, collaborating to drive vision

Be hands on and actively participate in development on the Team Agent

Mentor and develop technical leadership across Team, and Fintech

What you'll need to thrive (Requirements)

15+ years experience designing and building highly scalable, mission-critical distributed and fullstack software systems

10+ years experience building and operating SaaS products, ideally AWS hosted

1+ years experience using the latest in coding agents 

A strong desire to lean all in on agentic development practices

Passion for building autonomous agents

Demonstrated ability to drive technical architecture for a company or highly scalable line of products

A desire to work not only with technologists but also product owners and business leaders

Ability and desire to draw big lines and boxes on a whiteboard paired with the ability to dig in and understand the ebb and flow of what the code is doing under load

Ability and desire to communicate and influence at the executive level

What will help you stand out (Nonessential Skills/Nice to Haves)

Experience designing agentic products

Experience building systems that leverage LLMs and other ML models

Experience with enterprise integration using Apache Camel

Experience architecting event-driven distributed systems using Apache Pulsar

Experience defining test, build and deploy strategies

Solid understanding of workforce management

Solid understanding of restaurant operations

#LI-HYBRID

#BI-Hybrid

 

AI at Toast

At Toast, one of our company values is that we're hungry to build and learn. We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality. We provide these tools across all disciplines, from Engineering and Product to Sales and Support, and are inspired by how our Toasters are already driving real value with them. The people who thrive here are those who embrace changes that let us build more for our customers; it’s a core part of our culture.

Our Total Rewards Philosophy 

We strive to provide competitive compensation and benefits programs that help to attract, retain, and motivate the best and brightest people in our industry. Our total rewards package goes beyond great earnings potential and provides the means to a healthy lifestyle with the flexibility to meet Toasters’ changing needs. Learn more about our benefits at https://careers.toasttab.com/toast-benefits.

How Toast Uses AI in its Hiring Process

Throughout the hiring process, our goal is to get to know you. We use AI tools to support our recruiters and interviewers with tasks like note-taking, summarization, and documentation of interviews to ensure they can be fully focused on your conversation. All hiring decisions are made by people. To learn more: https://careers.toasttab.com/ai-in-hiring

Diversity, Equity, and Inclusion is Baked into our Recipe for Success

At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.

We Thrive Together

We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community. To learn more about how we work globally and regionally, check out: https://careers.toasttab.com/locations-toast.

Apply today!

Toast is committed to creating an accessible and inclusive hiring process. As part of this commitment, we strive to provide reasonable accommodations for persons with disabilities to enable them to access the hiring process. If you need an accommodation to access the job application or interview process, please contact candidateaccommodations@toasttab.com.

------

For roles in the United States, it is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Source: Toast careers

Similar roles