Software Engineer II, Backend

Toast; United States; Hybrid; USD 133,000 - 213,000; Full time

Job summary

Toast is hiring a Software Engineer II for the Payments team to design and deliver features for our payment platform. You will build scalable backend services and APIs, work with testers, and collaborate with UX/PM for feature design.

You’ll join a cross-functional group that values strong engineering practices, code reviews, and reliable deployment of features to customers. East Coast hours may be required, with a hybrid work model.

Qualifications

• 2+ years of experience in designing and implementing robust backend services using Kotlin.
• Proven ability to develop scalable and secure APIs that integrate with various internal/external systems.
• Knowledge of API lifecycle management: versioning, documentation, deprecation strategies.
• Proficiency with Kotlin-specific frameworks and libraries for building efficient backend solutions.
• Experience with microservices architecture and containerization technologies for scalability and maintainability.

Responsibilities

• Design, build, and deliver features for Toast’s payments products.
• Develop and implement automated test suites to ensure high-quality code.
• Roll features out to customers, including monitoring for success.
• Collaborate with UX and PM on feature definition and design.
• Partner with a wide array of teams across Toast.
• Work with experienced engineers to deliver design and code reviews.

Skills

Kotlin

APIs

Microservices

Kubernetes

DynamoDB

Backend development

Tools

Kotlin frameworks

Containers

CI/CD

Job description

Ability to work East Coast hours required

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. We’re not your traditional tech company and we don’t aim to be. Going against the grain is in our DNA. Building a revolutionary product begins with revolutionary thinking. That’s why we value diversity of background and lived experience. Together, we empower restaurants of all sizes to build great teams, increase revenue, improve operations, and delight their guests. We pair our deep understanding of the restaurant industry with powerful cloud based software and restaurant-grade hardware to deliver an intuitive all‑in‑one platform. Join us on our mission to empower the restaurant community to delight guests, do what they love, and thrive.

Bready* to make a change?

Fintech at Toast operates one of the most critical portions of the Toast infrastructure: processing payments on behalf of our restaurants and ensuring that restaurants are paid in a timely manner. Payment processing is a key source of Toast’s revenue and also the lifeblood of our customers; we process millions of dollars in transactions per day.

We are seeking a Software Engineer II to join our Payments team. The successful candidate will contribute to the development of our unified payment processing solution. This platform offers a single, integrated service for payment acceptance across various channels and supports a configurable enterprise approach. It is designed to allow a build‑once, available‑to‑all strategy for both existing and emerging payment methods.

About this roll (Responsibilities)

• 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 UX and PM 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

Do you have the right ingredients? (Requirements)

• 2+ years of experience in designing and implementing robust backend services using Kotlin.
• 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.
• Proficiency in Kotlin‑specific frameworks and libraries for building efficient backend solutions.
• Demonstrated experience with microservices architecture and containerization technologies for enhanced scalability and maintainability.

Special Sauce (Nice to Haves)

• Proficiency in DynamoDB
• Proficiency in Kotlin (or Java and willing to learn Kotlin) and Kotlin-specific frameworks and libraries for building efficient backend solutions
• Familiarity with AI‑augmented development workflows and tools (e.g., Claude Code, GitHub Copilot, Codex, or similar)

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 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 encourage but not required!

The base salary range for this role is listed below. The starting salary will be determined based on skills, experience, and geographic location. In addition to base salary, our total rewards components include cash compensation (overtime, bonus/commissions if eligible), equity, and benefits. You can learn more about how we align pay with local labor markets in our Geographic Pay Zone Philosophy.

Zone A

$133,000—$213,000 USD

Zone B

$115,000—$184,000 USD

Zone C

$104,000—$166,000 USD

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.