Senior Software Engineer, IAM at Toast – Dublin | Jobyssey

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.

Toast is looking for a Senior Software Engineer to join our Identity Management team to play a critical role in developing reliable code and algorithms in our user management, permission, and web services. We are looking for an engineer who has the ability and drive to make an impact, not only on their own but by also enabling those around them to succeed.

Partnering with stakeholders, product managers, product designers, product data analysts, and other engineers, you will be part of a team responsible for ensuring that our practices in the development of our platform are safe and secure. You will also be responsible for developing and maintaining core services and repositories in Toast, including integrations, managing users, authentication, and permissions. The Toast platform processes tens of millions of requests per day, and this number grows constantly as we add new restaurants and integration partners to our system. The services we develop on this team are essential for Toast’s operation and their resilience and reliability are crucial from a business and user perspective.

If you want to help create something tangible that is used every day, help small businesses achieve their vision, and take on the challenge of scaling a SaaS product from millions of users to hundreds of millions of users, Toast is the place for you.

A day in the life (Responsibilities)

Be part of a team working collaboratively with UX, PM, QA and other engineers designing, building and maintaining high performance, flexible and highly scalable microservices, as well as development of web and mobile applications
Define best practices and help choose technologies to evolve our current tech. stack while writing world-class applications
Championing best practices such as quality integration and unit testing
Tackle scaling challenges and implement robust solutions.
Provide design feedback and participate in code reviews to ensure implementations meet requirements
Monitor feature rollouts to ensure customer success, iterating and improving when necessary.
Design, build, deploy, and maintain highly resilient and scalable systems critical to our customers’ success.
Diagnose performance bottlenecks and optimise for better performance.
Ensure that all work done is delivered with quality and is appropriately monitored and supported in production
Mentoring other team members

What you'll need to thrive (Requirements)

Proficient in Java, Kotlin or another object-oriented language, with a deep understanding of testing, quality & best practices.
In-depth understanding of microservices, distributed systems, and enterprise messaging.
Familiar with asynchronous communication tools (e.g., Pulsar, JMS, Kafka).
Proven track record of delivering reliable services to production.
Excellent communication skills, with the ability to simplify complex technical concepts for non-technical stakeholders.
A passion for technology and continuous learning.
Prior experience making an impact on a previous project, product or within an organization.
Enthusiasm for solving impactful challenges and writing clean, scalable code.
A focus on both personal and team growth, balancing task completion with platform stability.
The capacity to tackle complex and ambiguous problems, communicate clearly with others to solve the problem, and share knowledge to help the whole team succeed
Experience working in the IAM space
Exposure to distributed systems is a plus
Experience working in a team with Agile/Scrum methodology

This is a hybrid role requiring in-office collaboration two days per week in our Dublin office.

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 .

#LI-HYBRID

#BI-Hybrid

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:

Our Approach to Hybrid Working

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 hospitality community, regardless of location. Please visit the Locations page on our career site to learn more about our in-office expectations by region:

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: .

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 [email protected].

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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.

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