Senior Software Engineer, Java - Monetization

This is a hybrid role working from our Dublin office 3 days per week. You will r💼 Full-time🗓 2026-09-07 → 2026-09-25

Core

Build performant, reliable, and scalable backend services and APIs that power merchant inventory management and product catalog experiences for Squarespace.

Role type

Senior backend engineer (Java/Kotlin) with architecture and mentorship responsibilities

Domain

E-commerce platform infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Java, Kotlin, object-oriented programming, system design, algorithms, distributed systems, database management (MongoDB, PostgreSQL), technical leadership

Preferred skills

Experience leading technical discussions, influencing system architecture

Technologies

Java, Kotlin, MongoDB, PostgreSQL

Responsibilities

Develop scalable backend services, collaborate with product managers on feature translation, lead technical discussions and system design, mentor engineers via code reviews, own features from implementation to launch

Seniority

Senior, hands-on IC with mentorship duties

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About Squarespace

Public1000 Employees

Squarespace is a design-driven platform helping entrepreneurs build brands and businesses online. We empower millions of customers in more than 200 countries and territories with all the tools they need to create an online presence, build an audience, monetize, and scale their business. Our suite of products range from websites, domains, ecommerce, and marketing tools, as well as tools for scheduling with Acuity and creating and managing social media presence with Bio Sites and Unfold. Our team of more than 1,500 is headquartered in bustling New York City, with offices in Dublin, Ireland, Avei