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Senior Software Engineer Java Monetization

This is a hybrid role working from our Dublin office 3 days per week. You will r💼 Full-time🗓 2026-07-30

Core

Build performant, reliable, and scalable backend services and APIs that power systems sending millions of messages daily for merchant inventory management.

Role type

Senior backend engineer (Java/Kotlin)

Builds

Microservice architecture, Public APIs, and backend services for merchant product catalogs

Domain

E-commerce platform infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Java, Kotlin, system design, distributed systems, algorithms, database management (MongoDB/PostgreSQL), technical leadership

Preferred skills

Mentoring engineers, cross-team collaboration, feature ownership from implementation to launch

Technologies

Java, Kotlin, MongoDB, PostgreSQL

Responsibilities

Develop scalable backend services, lead technical discussions and system design, mentor engineers via code reviews, partner with product managers on feature delivery

Seniority

Senior, hands-on IC with mentorship responsibilities

Rewrite
## About the role The Commerce Monetization team enables merchants who sell physical goods and services to setup and manage their inventory on Squarespace. We are a product team who owns user experiences including onboarding dashboards, a product editor, and searching/filtering/bulk actions across a merchant's entire product catalog. We also work closely with other teams to ensure merchant's selling needs are supported by intuitive and best practice shopper experiences on their website. As a backend engineer on the team, you'll oversee the microservice architecture to build the APIs that power these experiences and Public APIs while mentoring engineers, partnering with cross-team collaborators, and contributing code to complex projects that align technical investments with priorities. This is a hybrid role working from our Dublin office 3 days per week. You will report to the Engineering Team Manager based in New York. ## You'll Get To… - Build: Develop performant, reliable, and scalable backend services that power the systems that send millions of messages a day. - Collaborate: Work closely with product managers to translate our goals into features that deliver value for our users. - Plan: Lead technical discussions and contribute to system design, architecture, and long-term technical direction. - Mentor: Provide support to other engineers thorough code reviews and technical discussions. - Own: Lead features throughout the development lifecycle, from implementation to launch. ## Who We're Looking For - 5+ years of experience building backend systems in a production environment. - Proficiency in Java, Kotlin, or another object-oriented programming language. - Strong understanding of system design, algorithms, and distributed systems concepts. - Experience with databases such as MongoDB, PostgreSQL, or similar technologies. - Experience leading technical discussions and influencing system architecture. ## Benefits & Perks - Health insurance with 100% covered premiums for you, your spouse or partner and your dependent children including medical, dental, and vision - Life and Income Protection - Fertility and adoption benefits - Headspace mindfulness app subscription - Global Employee Assistance Program - Pension benefits with employer match - Flexible paid time off - 26 weeks paid maternity leave & 12 weeks paid paternity leave - 2 weeks paid family care leave - Education reimbursement - Employee donation match to community organizations - 8 Global Employee Resource Groups (ERGs) - Free lunch and snacks - Close proximity to cultural landmarks such as Dublin Castle and St. Patrick's Cathedral ## About Squarespace 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, Aveiro, Portugal, and coworking spaces in the UK, Netherlands, and Australia. For more information about our company culture, visit https://www.squarespace.com/about/careers. ## Our Commitment Today, more than a million people around the globe use Squarespace to share different perspectives and experiences with the world. Not only do we embrace and celebrate the diversity of our customer base, but we also strive for the same in our employees. At Squarespace, we are committed to equal employment opportunity regardless of race, color, ethnicity, ancestry, religion, national origin, gender, sex, gender identity or expression, sexual orientation, age, citizenship, marital or parental status, disability, veteran status, or other class protected by applicable law. We are proud to be an equal opportunity workplace. Thank you in advance for providing the following details about your work history from your resume! This helps us ensure that your candidate information is accurate and consistent during the hiring process. Squarespace will never solicit your personal banking information or ask you to transfer money in connection with a job offer or interview. We also will not reach out to you via phone or SMS without your permission or knowledge.
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