Software Engineer Intern Summer 2025

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. 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.

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

Do you have the right ingredients*? (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
• *Bread puns encouraged but not required.

Our Tech Stack

Toast’s 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. Toast’s platform services are built and deployed on AWS, and consume several AWS services such as ECS, DynamoDB, Aurora (Postgres), S3 and others.

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