AI-Driven Backend Engineer (Kotlin/Java)

Toast; Dublin; Hybrid; EUR 70,000 - 100,000; Full time

Job summary

Toast is seeking a strong software engineer for a hybrid role in Dublin, collaborating with Product, Design and Engineering to deliver scalable backend services written in Java and Kotlin. You will ship features end-to-end, iterate based on real-world use, and leverage AI tools to boost development velocity while ensuring a high-quality user experience for restaurants and guests.

You will work with a tech stack including Java/Kotlin, React, GraphQL, Tailwind, PostgreSQL and DynamoDB, with

Qualifications

• 2+ years of Kotlin/Java experience delivering product-focused software.
• Comfortable reading and integrating with frontend applications and across the stack when needed.
• Excited about AI-assisted development and LLM-based agents; eager to pioneer new workflows.

Responsibilities

• Design, build and maintain high performing, scalable solutions for a best-in-class guest experience for restaurants.
• Ship features end-to-end from design through rollout; monitor success and iterate.
• Collaborate closely with Product, Design and Engineering stakeholders.
• Leverage AI tools to enhance development workflow, improve velocity, and drive innovation.

Skills

Kotlin/Java

Frontend familiarity

AI-assisted development

Collaboration

Growth mindset

Tools

Java

Kotlin

React

GraphQL

Tailwind

PostgreSQL

DynamoDB

Job description

Toast is seeking a strong software engineer for a hybrid role in Dublin, collaborating with Product, Design and Engineering to deliver scalable backend services written in Java and Kotlin. You will ship features end-to-end, iterate based on real-world use, and leverage AI tools to boost development velocity while ensuring a high-quality user experience for restaurants and guests.

You will work with a tech stack including Java/Kotlin, React, GraphQL, Tailwind, PostgreSQL and DynamoDB, with