Senior Software Engineer-Backend

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.

• →Design, build, and deliver features for Toast’s payments products 
• →Develop and implement automated test suite to ensure the code shipped to our customers meets the highest quality standards
• →Roll* features out to customers, including monitoring for success
• →Collaborate with our PM (and UX) on the definition and design of features  
• →Partner with a wide array of teams across Toast 
• →Work with experienced engineers to deliver design and code review 

• 5+ years of experience in designing and implementing robust backend services
• Proven ability to develop scalable and secure APIs that integrate with various internal/external systems
• Knowledge of best practices in API lifecycle management, including versioning, documentation, and deprecation strategies
• Demonstrated experience with microservices architecture and containerization technologies for enhanced scalability and maintainability

• Demonstrated proficiency with DynamoDB or PostgreSQL
• Proficiency in Kotlin (or Java and willing to learn Kotlin) and Kotlin-specific frameworks and libraries for building efficient backend solutions
• Experience with modern data architectures (event sourcing, OLAP, ETL/ELT, streaming data)
• Experience designing payments APIs
• Familiarity with PCI-DSS
• Familiarity with AI-augmented development workflows and tools (e.g., Claude Code, GitHub Copilot, Codex, or similar)

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.

At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.

We Thrive Together

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 restaurant community. To learn more about how we work globally and regionally, check out: https://careers.toasttab.com/locations-toast.

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.

------

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.