Software Engineering Intern

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.

About this roll* (Responsibilities)

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. Youll 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 youre passionate about front-end design advanced AI models or cloud security Toast has a role for you.

This role is planned to run from January - June 2026.

About this roll*: (Responsibilities may include)

• 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.

Do you have the right ingredients* (Requirements)

• Currently enrolled in an academic program and available for full-time internship January - June 2026
• 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
• *Bread puns encouraged but not required.

Our Tech Stack

Toasts products run on a stack that ranges from guest and restaurant-facing Android tablets to web applications and backend microservices. The Toast POS application is an Android application written in Java and Kotlin. Our backend microservice architecture consists of containerized RESTful and gRPC applications written in Java and Kotlin. Systems integrations are built on Apache Camel and we use Apache Pulsar for message oriented middleware. Front end applications use React and leverage GraphQL for data access. Mobile applications are native for both Android and iOS. Toasts platform services are built and deployed on AWS and consume several AWS services such as ECS DynamoDB Aurora (Postgres) S3 and others.

AI at Toast

At Toast were 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; its a core part of our culture.