Senior Software Engineer
Core
Design, build, and own backend services and APIs for a new AI-powered product, integrating LLMs and AI-assisted development tools.
Role type
Senior Software Engineer (Backend & AI)
Builds
Backend services, integrations, and LLM-powered product features for Toast's restaurant and local business customers.
Domain
Fintech / Hospitality / AI
Deliverable
production ML models
Required skills
Backend system design, API lifecycle management, LLM integration, AI coding assistants, microservices, event-driven architecture, data modeling, automated testing
Preferred skills
GraphQL API design, LLM-powered agents, AI feature evaluation
Technologies
Typescript, Java, Kotlin, LLMs, Microservices
Responsibilities
Design and build backend services and APIs; Build and maintain internal and external integrations; Develop LLM-powered features and handle model outputs; Write automated tests and evaluation cases for AI features; Use AI-assisted tools for implementation and debugging; Participate in code reviews and incident response; Partner with Product and Design to deliver features.
Seniority
Senior, hands-on IC
