Toast

Actively Hiring

Senior Software Engineer

Dublin, Ireland

Full-time

Role Overview

The Product-Led Growth team builds the in-product experiences that help restaurants discover, try, buy, and adopt the Toast products they need, owning backend services and shared infrastructure for campaigns and growth.

About Toast

Toast is driven by building the restaurant platform that helps restaurants adapt, take control, and get back to what they do best: building the businesses they love.

Key Responsibilities

Drive end-to-end development of the backend services that power in-product growth experiences
Build the shared infrastructure that makes the next experiment cheaper than the last
Build and evolve integrations with the systems those services depend on
Build LLM-powered experiences on Toast IQ
Design experimentation and attribution instrumentation
Partner with product, design, marketing, sales, and data science
Contribute to technical design and architecture discussions
Mentor other engineers through code review, pairing, and technical guidance

Requirements & Eligibility

5+ years of software engineering experience building and maintaining production backend systems in Kotlin, Java, or another object-oriented language
Proven ability to own features end-to-end through design, launch, measurement, and iteration
Product-minded builder who is comfortable making product calls, launching, and iterating
Experience with experimentation, A/B testing, or growth engineering
Experience building on LLMs or AI platforms
Proficient with AI tooling such as Claude, Cursor, and MCP servers

Required Skills & Tech

KotlinJavaBackend DevelopmentLLMA/B TestingFull Stack Development