Senior Software Engineer (New Ventures, AI Product)

About the role

Toast's New Ventures team explores new opportunities and builds products for restaurants and local businesses. As a Senior Software Engineer you will help build a new AI-powered product, designing, building and owning backend services, integrations and product capabilities with AI-assisted development as an integral part of the work.

Responsibilities

• Design, build and own backend services and APIs for new product capabilities.
• Build and maintain integrations across Toast's internal services and external systems.
• Develop LLM-powered features, connecting models to tools and APIs and handling unexpected outputs or failures.
• Write automated tests and evaluation cases that verify AI-powered features complete their intended tasks.
• Use AI-assisted development tools extensively for implementation, testing, debugging and refactoring.
• Participate in code reviews, monitor rollouts, respond to incidents and iterate on feedback.
• Partner with Product, Design and other Toast teams; own substantial features from design to production.

Requirements

• Bachelor's degree in Computer Science or a related field, or equivalent experience.
• 5+ years delivering production backend systems.
• Proficiency in TypeScript, Java, Kotlin or another object-oriented language, with strong design, testing and debugging skills.
• API lifecycle management (versioning, documentation, deprecation).
• Hands-on experience building with LLMs in production, and with AI coding assistants and agents.
• Query languages, data modelling and data distribution; microservices and event-driven architectures.

Nice to have

• Early-stage product experience; designing and building GraphQL APIs.
• Building LLM-powered agents with tool use and multi-step workflows; creating evaluations for AI features.

Location: Bengaluru, India.