Senior Software Engineer - Connect

Toast is building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: running the businesses they love. We've grown into a leading hospitality software company in the U.S., and are now entering our next phase of growth - one defined by scale, complexity, and a new class of enterprise customers.

Toast is looking for a Senior Software Engineer to join our Toast Connect team in Dublin. The Connect team owns how everything outside Toast connects to Toast including the event infrastructure every team at Toast uses to publish data, the frameworks partners and customers use to integrate through our APIs, and a new charter to make Toast the source of truth for all the data about the customers we serve.

You will play a key role in evolving our platform to support ever more complex new features and best-in-class monitoring as we scale to orders of magnitude of our current size!

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

• Design, build, deploy, and maintain scalable backend microservices and RESTful APIs using Java / Kotlin and AWS infrastructure.
• Lead complex projects that may span multiple teams & systems.
• Champion best practices such quality automated testing and phased rollouts to ensure zero-regression releases and high test coverage.
• Monitor service health for success & failure, analyze logs and metrics (Datadog/Cloud Watch), and participate in on-call rotations to maintain platform uptime.
• Collaborate with peer engineers, provide design feedback, and participate in code reviews.
• Collaborate with PM & UX on the development of new features & products.
• Mentor & coach your peer engineers.
• Use AI tooling as a genuine part of your workflow, not an afterthought

• 5+ years professional backend software development in Kotlin, Java, or another object-oriented language, with solid instincts around testing and code quality.
• Have strong understanding & hands-on experience of building RESTful apis, fault-tolerant, highly-scalable & secure distributed systems.
• Proficiency with sql/nosql databases, strong understanding of distributed data stores and knowledge of when to use what.
• Familiarity with distributed systems concepts, asynchronous messaging (Kafka, Pulsar, or AWS SQS/SNS), and cloud platforms (AWS).
• Strong communication & problem-solving skills, curiosity to learn restaurant domain workflows, and enthusiasm for collaborating in an agile, cross-functional team.
• Demonstrate humility, empathy and respectfulness.

* This is a hybrid role requiring two days per week in the office*

• Backend services which follow a microservice architecture written using Kotlin, Java and Drop Wizard
• Event driven messaging & streaming using Apache Pulsar & RabbitMQ.
• Apache Camel for implementing Enterprise Integration Pattern.
• React & ES6 based Frontend SPAs leveraging Tailwind, GraphQL and Storybook.
• Dynamo Db, Postgres & Open search as core persistence data-storage layers.
• Datadog & Sentry for system and application metric and monitoring.
• Splunk for log aggregation.
• Fire Hydrant for alerting.

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

Throughout the hiring…