Retail Systems SDET (Software Development Engineer in Test)

Title of role: Software Development Engineer in Test (SDET) – Retail Systems Location: Dublin, Ireland; Hybrid (2 days in the office required) Approved Salary Range: starting at €45,000 About the Role : Join our QA team as a Software Development Engineer in Test (SDET) embedded with our Retail Systems team as we undertake a significant modernization and migration of our core systems onto a modern, API-first, headless commerce platform, while maintaining and improving key legacy applications. Automation is central to delivering these projects successfully and on time, and you will be a key part of making that happen. You will write and maintain the automated tests that give us confidence in the integrations, order management, and backend services that power the experience for our 30M+ loyal Members. You’ll work closely with developers and grow your skills alongside an experienced QA team. Key Responsibilities: Build and maintain automated API, contract, and integration tests for Retail Systems and SCAYLE integrations Test interdependent backend services and third-party platforms, including database validation Contribute to and extend our test automation frameworks, treating test code with the same care as production code Integrate automated tests into CI/CD pipelines and help keep suites healthy, reliable, and free of flaky tests Partner with developers and product managers to shape the backend test automation framework, test strategy, and plans within a context-driven Scrum, Agile, or Kanban team Influence the building of software before it's built by reviewing requirements and acceptance criteria Prepare and share test documentation and results with the team Help evolve our culture of excellence in test and find ways to insert quality into all aspects of the business Experience and Background Needed : Comfort with Git and participating in code review The ability to engage and discuss test strategies and plans with the development team The drive to continuously engage developers and QA to keep pushing the framework forward while keeping feedback and needs in mind Pride in ownership of quality and a willingness to act as the voice of the customer A collaborative spirit and eagerness to learn from, and share with, a cross-functional team Fluency in English A Bachelors Degree or Higher. 1–3+ years of experience in QA, test automation, or software development. Technical skills Coding ability in a language such as JavaScript/TypeScript, Python, Java, or C# Experience writing automated tests and working within an existing test automation framework Experience testing API contracts Experience testing interdependent backend applications Experience working in relational databases and validating data with SQL An understanding of web request/response models and the tools that use them Familiarity with CI/CD pipelines and running automated tests within them Experience working in cloud-based environments Knowledge of test principles, the software testing lifecycle, and prioritization techniques Not required, but good to have experience with… API tools such as Postman, ReadyAPI, or Bruno Oracle, SQL Server, or PostgreSQL Command line environments such as Bash CLI, Windows Terminal, or PowerShell CI and job scheduling tools such as Jenkins or ActiveBatch Test frameworks such as Playwright, Cypress, WebDriverIO, or Cucumber API-first, headless, or composable (MACH) commerce platforms such as SCAYLE Async systems such as queues, streams, or webhooks AI-assisted development tools such as Claude or Gemini Scrum, Agile, or Kanban teams Testing payment and/or tax systems Testing e-commerce and/or order management concepts About the Retail Systems Team Retail Systems builds and supports the backend systems that keep Rue La La and Gilt running behind the scenes, from o