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INTERNSHIP DETAILS

Software Engineering Intern

CompanyToast

LocationDublin

Work ModeOn Site

PostedSeptember 9, 2026

Internship Information

Core Responsibilities

Interns will work on small teams to build, maintain, and optimize high-performance web and mobile applications. They will also participate in the full software development lifecycle, including design, testing, debugging, and implementing machine learning models.

Internship Type

full time

Company Size

7900

Visa Sponsorship

Language

English

Working Hours

40 hours

Apply Now →

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the company's application page

About The Company

Toast is the operating system behind the hardest-working people out there — the restaurateurs and retailers running busy businesses. We build tools to match their effort, rigorously designed to perform under pressure, with 1,000 little features for every make-or-break moment. Our POS platform brings hardware, software, AI, and financial technology together to help operators get busy, stay busy, and run busy. We’re Toasters, proud to innovate alongside our customers. Want to join us? https://careers.toasttab.com/

About the Role

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.

Toast is looking for self-motivated individuals who love building great software and want to have fun while doing it. Our engineering teams offer opportunities to work on a variety of impactful areas, including Android and iOS development, web front-end, back-end infrastructure, AI/machine learning models, cybersecurity and compliance, and more. You could contribute to designing user-friendly interfaces, building secure and scalable systems in AWS using Java or Kotlin, applying machine learning for security and analytics, or creating tools for large-scale data processing. You’ll collaborate with talented mentors and engineers, gain hands-on experience with technologies like Python, TensorFlow, Splunk, and big data tools, and help empower restaurants through innovative technology. Whether you’re passionate about front-end design, advanced AI models, or cloud security, Toast has a role for you.

Responsibilities:

Work on a small team of 3-6 engineers, responsible for entire modules of the Toast product
Build, and maintain high performance, flexible, and highly scalable web and mobile applications
Participate in designing, estimating effort, implementing, testing, debugging, configuring, integrating and documenting database, middle-tier and front-end code
Diagnose performance bottlenecks and implement optimizations
Think in terms of the end-user and design accordingly
Actively contribute to product design and feature selection discussions
Participate in code reviews to ensure technical implementations meet functional requirements
Build cutting edge tools for analytical data processing, explore the power of Toast data and build machine learning models
Implement secure software development processes
Leverage cutting edge AI tools to enhance your development workflow, improve velocity, and help pioneer new approaches to building - contributing to a culture of innovation and productivity across the team.

Requirements:

Currently enrolled in an academic program
A passion for learning and a desire to understand what it takes to build software that empowers restaurants to thrive and do what they love
Knowledge of at least one of the following:

Java development
Mobile software development (preferably with Android)
SQL or NoSQL databases
RESTful microservices
Web front-end basics: HTML, CSS, and JavaScript
Machine Learning and/or Generative AI development

#LI-DNI

#BI-DNI

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. We ask that you complete interviews and assessments on your own, without real-time AI tools, recording, or transcription bots, unless we tell you otherwise in advance. To learn more: https://careers.toasttab.com/ai-in-hiring

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: https://careers.toasttab.com/locations-toast

People Are the Secret Ingredient in Our Recipe for Success

At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry brings together people with a wide range of backgrounds, experiences, and perspectives, and we value that same breadth at Toast. We strive to build a culture grounded in authenticity, respect, and humility, where every Toaster has a real opportunity to grow, contribute, and do their best work—raising the bar in delivering exceptional experiences for our customers and each other.

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.

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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.

Key Skills

JavaKotlinAndroidiOSWeb front-endBack-end infrastructureMachine learningCybersecurityAWSPythonTensorFlowSplunkSQLNoSQLRESTful microservicesJavaScript