Senior Software Engineer – Java Full Stack

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy.

A day in the life (Responsibilities)

• Independently design, develop and implement features across the full stack with minimal guidance.

• Develop and maintain backend services using Java, Spring Boot, Kotlin or .NET.

• Build and enhance frontend applications using React or Angular.

• Maintain a balanced full-stack contribution, with approximately 70–80% backend and 20–30% frontend development.

• Design, develop and consume RESTful APIs and integrate with internal systems.

• Build scalable, reliable and maintainable microservices and application components.

• Apply object-oriented programming principles, appropriate design patterns and clean coding practices.

• Participate in low-level design, high-level design and technical architecture discussions.

• Identify and resolve performance bottlenecks, production issues and application defects.

• Demonstrate practical understanding of multithreading, concurrency and data consistency.

• Participate in code reviews, testing and engineering quality improvements.

• Collaborate with Product Managers, UX designers, QA and engineering teams.

• Take ownership of assigned features from requirements through development, testing and production release.

• Use AI-assisted development tools such as Claude Code, Cursor or similar tools to improve engineering productivity and quality.

• Communicate progress, risks, technical decisions and dependencies effectively.

What you'll need to thrive (Requirements):

• A minimum of Bachelor’s degree in any area, or any other related discipline.
• 6+ years of experience in software or full-stack development.
• Strong hands-on experience with frontend frameworks such as React or Angular.
• Proven professional hands-on experience developing backend applications using Java and Spring Boot, or an accepted equivalent such as Kotlin or .NET.
• Practical working knowledge of Core Java, OOP, collections, exception handling and design patterns.
• Practical understanding of thread safety, synchronisation, race conditions and concurrent data access.
• Experience building and consuming RESTful APIs.
• Professional experience contributing to LLD, HLD or application architecture.
• Working Experience in SQL and NoSQL databases, including basic schema design and querying.
• Must have hands-on professional working experience with AWS and Amazon DynamoDB in production applications.
• Experience integrating Java/Spring Boot microservices with DynamoDB.
• Demonstrated ability to independently solve coding problems using appropriate data structures and algorithms
• Working knowledge of multithreading and concurrent programming.
• Strong problem-solving skills and attention to code quality.
• Experience designing and implementing maintainable software components.

Nice-to-Have

• Exposure to AI-assisted development tools (Claude Code, Cursor, Devin).
• Basic understanding of CI/CD pipelines and deployment workflows.
• Experience working in a large-scale SaaS or product engineering environment.

AI at Toast

At Toast, one of our company values is that we're 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; it’s a core part of our culture.

Our Total Rewards Philosophy 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.

#LI-HYBRID

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.