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.

We're hiring a Senior Software Engineer (P3) to build full stack features for Toast's 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. We're extending our integrations to support Toast's expansion into Retail, and partnering across lines of business with the Fintech team to power in-house bookkeeping through Toast Books. You'll work with Java, Kotlin, React and AWS, and use AI tools every day to ship faster and better.

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.

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.

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.

Bachelor's 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.
- Solid 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., 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.
- Experience working in Agile/Scrum teams.
- Strong problem-solving skills, attention to code quality and data correctness.
- 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).

Experience in a large-scale SaaS or product engineering environment.





AI at Toast

We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality. 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. How Toast Uses AI In Its Hiring Process

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. 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. 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:

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.

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 [HIDDEN TEXT].

An employer who violates this law shall be subject to criminal penalties and civil liability.

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