Senior Full Stack Software Engineer

Toast is building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: growing businesses they love. Our platform helps streamline operations, increase revenue, and deliver outstanding guest experiences by combining restaurant point of sale, team management, guest-facing technology, and award-winning customer support. As a Toaster, you'll be part of a team that takes on meaningful projects to shape the company's future. Join us as we empower the restaurant community to delight guests, do what they love, and thrive.

Are you bready* for a change?

We are looking for a Senior Full Stack Engineer, to join our Login and Permissions Experience team in Dublin, who has the ability and drive to make an impact, not only on their own but by also enabling those around them to succeed. The Login and Permissions Experience team will define, design and deliver the experiences by which employees, restaurateurs, guests and others access the Toast platform and use our entire ecosystem of products, from POS to Payroll, in the US and internationally.  You will also play a role in evolving our architecture to support ever more complex new features and best-in-class monitoring as we scale to orders of magnitude of our current size!

Partnering with stakeholders, product managers, product designers, and other engineers, you will be part of a team developing best-in-class solutions that create a unified, seamless experience that meets our standard for customer delight, ease of use, security, and scalability.

What You'll Do:

• Be a part of team working collaboratively with UX, PM, QA and other engineers building web applications using modern web technologies 
• Lead complex projects that improve functionality and reliability for customers within a collaborative, supportive environment.
• Ship code that directly impacts and drives Toast’s growth.
• Contribute to new product features from the ground up, ensuring innovation and technical excellence.
• Advocate for best coding practices, raising the bar for yourself, your team, and the company.
• Partner with experienced engineers in design and code reviews to maintain high standards.
• 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.
• Tackle scaling challenges and implement robust solutions.
• Diagnose performance bottlenecks and optimize for better performance.
• Mentor and provide technical guidance to other team members.

Do you have the right ingredients*? (Requirements)

• 6+ years of experience with Java, Kotlin, or similar object-oriented languages.
• Proficient in modern web technologies and UI frameworks (e.g., React, Javascript , TypeScript, REST, GraphQL) with 3+ years of relevant experience.
• Experienced with databases (PostgreSQL, DynamoDB) including schema design and optimization.
• 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.
• 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
• Exposure to distributed systems is a plus
• Enjoys building well-engineered, usable and accessible systems
• Experience working in a team with Agile/Scrum methodology

Our Spread* of Total Rewards
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.

*Bread puns encouraged but not required