The Commerce App Ecosystem team is dedicated to building a modern developer platform, empowering third parties to extend the functionality of our e-commerce ecosystem. By offering a comprehensive suite of APIs, we allow developers to create unique solutions for marketing, inventory, fulfillment, and customer management. The App Ecosystem platform is crucial for our high-revenue merchants, as it allows them to access expanded functionality to improve operations and achieve growth.We are looking for an experienced Senior Java Backend Engineer to join our team, focusing on building and enhancing our developer platform. You will join a high impact team instrumental to powering Squarespace's Commerce goals.This role is hybrid in Dublin, being 3 days per week in the office and you will report to the Engineering Team Manager.You'll Get To…Lead technical design and implementation of complex features, focusing on API extensibility, performance, and maintainability.Work in a cross-functional team, including external developers.Mentor junior engineers in Java development best practices.Who We're Looking ForProficiency in developing RESTful APIs with understanding of API design principles, versioning, and documentation.5+ years of experience in Java and the Spring ecosystem.Experience with distributed systems, microservices architecture, and cloud platforms.Familiarity with CI/CD pipelines and DevOps practices.Benefits & PerksHealth insurance with 100% covered premiums for you, your spouse or partner and your dependent children including medical, dental, and visionLife and Income ProtectionFertility and adoption benefitsHeadspace mindfulness app subscriptionGlobal Employee Assistance ProgramPension benefits with employer matchFlexible paid time off26 weeks paid maternity leave & 12 weeks paid paternity leave2 weeks paid family care leaveEducation reimbursementEmployee donation match to community organizations8 Global Employee Resource Groups (ERGs)Free lunch and snacksClose proximity to cultural landmarks such as Dublin Castle and St. Patrick's CathedralAbout SquarespaceSquarespace 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 products range from websites, domains, ecommerce, and marketing tools, and tools for scheduling with Acuity and creating 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 culture, visit Our CommitmentToday, 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.