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. Our integrations sync sales payments payroll and supplier data from Toast into accounting platforms accurately and on time so owners can close their books with confidence.

Were hiring a Senior Software Engineer (P3) to build full stack features for Toasts Accounting Integrations team in Chennai. The team sits in the Suppliers & Accounting division and connects Toast to the accounting software our customers run their books on. This is a high-growth moment for the team. Were extending our integrations to support Toasts expansion into Retail and partnering across lines of business with the Fintech team to power in-house bookkeeping through Toast Books. Youll work with Java Kotlin React and AWS and use AI tools every day to ship faster and better.

A day in the life (Responsibilities)

- Independently design and implement well-defined features across the full stack from backend sync services to the merchant-facing setup and mapping UI with minimal day-to-day guidance.
- Build and maintain backend services in Java and Kotlin that sync financial data (sales payments payouts invoices journal entries) from Toast to external accounting platforms.
- Build and consume RESTful APIs and integrate with third-party accounting APIs and internal Toast systems handling auth rate limits retries and idempotency.
- Develop frontend features in React with TypeScript focusing on usability and performance for restaurant and retail operators.
- Deploy and run services on AWS and use observability tools to monitor sync health and data accuracy.
- Use AI-assisted development tools (e.g. Claude Code Cursor Devin) daily for coding testing debugging and documentation and share what works with the team.
- Help explore and ship AI-powered capabilities in the product such as smarter account mapping or automated reconciliation suggestions.
- Collaborate with Product UX QA and partner teams including Fintech for Toast Books to turn requirements into working software.
- Write clean maintainable testable code aligned with Toast engineering standards and take an active part in code reviews.
- Troubleshoot production issues in owned areas contribute to root-cause analysis and support the team during critical phases and on-call.
- Deliver on commitments with predictable cycle time and communicate progress risks and dependencies early.
- Own components or features end-to-end within established architectural patterns while growing toward larger system ownership.





What youll need to thrive (Requirements)

- Bachelors degree in Computer Science Engineering or a related discipline
- 6 to 9 years of experience in software or full stack development.
- Strong backend experience in Java with hands-on Kotlin experience or a clear willingness to become productive in it quickly.
- Robust frontend experience with React (or Angular) and TypeScript/JavaScript.
- Experience building and consuming RESTful APIs and integrating with third-party systems.
- Hands-on experience with a cloud platform preferably AWS (e.g. ECS/EKS Lambda SQS/SNS S3 RDS/DynamoDB).
- AI fluency: regular practical use of AI coding assistants (e.g. Claude Code Cursor Copilot) in your workflow and good judgment in reviewing and validating AI-generated code.
- Working knowledge of SQL and NoSQL databases including schema design and query tuning.
- Familiarity with Gradle or Maven Git and modern branching workflows.
- Experience working in Agile/Scrum teams.
- Strong problem-solving skills attention to code quality and data correctness.
- Clear written and verbal communication including with distributed teams across time zones.
- This is a hybrid role with 2 days per week in the Chennai office.

What will help you standout (Nice to Have)

- Experience integrating with accounting platforms such as QuickBooks Online Xero Sage Intacct NetSuite or Restaurant365.
- Understanding of accounting concepts: chart of accounts journal entries general ledger reconciliation.
- Experience building with LLM APIs prompt design retrieval (RAG) or agentic workflows in production.
- Experience with event-driven architectures and messaging (Kafka SQS/SNS) and resilient data sync patterns.
- Experience with CI/CD pipelines infrastructure as code (Terraform CDK) and containerization (Docker Kubernetes).
- Background in fintech payments retail or POS domains.
- Experience in a large-scale SaaS or product engineering environment.

AI at Toast

At Toast one of our company values is that were 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; its 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 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: 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: Are the Secret Ingredient in Our Recipe for Success

At Toast our employees are our secret ingredientwhen 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 workraising 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 .

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Required Experience:

Senior IC

📌 Senior Software Engineer, Full Stack (Chennai)
🏢 Toast
📍 Chennai