Toast Logo

Toast

Senior Software Engineer-Backend

Reposted Yesterday
Be an Early Applicant
Hybrid
Dublin
Senior level
Hybrid
Dublin
Senior level
Design and implement backend services, develop APIs, ensure code quality, collaborate with teams, and roll out features for payment processing.
The summary above was generated by AI

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.

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 Senior Software Engineer to join our Payments team to build out 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. The successful candidate will contribute to the development of services providing supporting and core functionality within and around this payment processing solution.

A day in the life (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 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 

What you'll need to thrive (Requirements)

  • 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

Special Sauce (*Nice to Haves)

  • 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)

#LI-HYBRID
#BI-Hybrid

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.

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.

Diversity, Equity, and Inclusion is Baked into our Recipe for Success

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.

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 [email protected].

------

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.

Top Skills

APIs
Containerization
DynamoDB
Java
Kotlin
Microservices
Pci-Dss
Postgres

Similar Jobs at Toast

6 Hours Ago
Hybrid
Senior level
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Senior DevOps Engineer will manage cloud infrastructure, implement automation tools, and mentor developers while ensuring best practices in DevOps methodologies.
Top Skills: AnsibleAWSAzureGCPGoJavaKotlinPythonTerraform
Yesterday
In-Office
Senior level
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Senior Product Manager will lead the Toast Checking product's strategy, development, and execution, ensuring successful adoption and measurable outcomes while collaborating with cross-functional teams.
Top Skills: Ai ToolsExcelSQL
Yesterday
In-Office
Senior level
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
The Senior Product Security Engineer at Toast focuses on application security, vulnerability remediation, and building secure software development practices while collaborating with teams to enhance security awareness and practices.
Top Skills: AIApi SecurityAWSJavaPythonWaf

What you need to know about the Montreal Tech Scene

With roots dating back to 1642, Montreal is often recognized for its French-inspired architecture and cobblestone streets lined with traditional shops and cafés. But what truly sets the city apart is how it blends its rich tradition with a modern edge, reflected in its evolving skyline and fast-growing tech industry. According to economic promotion agency Montréal International, the city ranks among the top in North America to invest in artificial intelligence, making it le spot idéal for job seekers who want the best of both worlds.

Key Facts About Montreal Tech

  • Number of Tech Workers: 255,000+ (2024, Tourisme Montréal)
  • Major Tech Employers: SAP, Google, Microsoft, Cisco
  • Key Industries: Artificial intelligence, machine learning, cybersecurity, cloud computing, web development
  • Funding Landscape: $1.47 billion in venture capital funding in 2024 (BetaKit)
  • Notable Investors: CIBC Innovation Banking, BDC Capital, Investissement Québec, Fonds de solidarité FTQ
  • Research Centers and Universities: McGill University, Université de Montréal, Concordia University, Mila Quebec, ÉTS Montréal

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account