Back-End QA Engineer

About the role

We are looking for a Back‑End QA Engineer to join a fast‑paced, transaction‑heavy platform. Based in Ireland and working fully remotely, you will ensure the reliability, accuracy and performance of high‑traffic backend services through both manual and automated testing.

Key responsibilities

• Design and execute comprehensive test cases from business requirements, functional specs and user stories to achieve full backend coverage.
• Perform end‑to‑end testing of transactional workflows, from initiation through authorization, settlement and reconciliation.
• Conduct API testing with Postman to verify request/response integrity across services.
• Validate data accuracy and consistency using SQL queries on relational databases.
• Develop and maintain automated test suites with Playwright for regression and continuous testing.
• Log, track and manage defects in Jira with clear reproduction steps and evidence.
• Run regression and exploratory testing after deployments, identifying edge cases, risks and performance issues.

Required profile

• Minimum 4 years of experience in manual QA with a strong focus on backend, API and web application testing.
• Hands‑on experience creating and maintaining automated tests using Playwright.
• Proficiency with API testing tools (Postman) and test‑management tools (TestRail or Zephyr).
• Solid SQL knowledge for backend data validation.
• Understanding of the Software Testing Life Cycle and Agile/Scrum environments.
• Experience in iGaming, Fintech, payment or banking systems is a strong plus.

Required skills

• Playwright
• Postman
• TestRail or Zephyr
• SQL
• Jira

What we offer

• Fully remote work within Europe with flexible working arrangements.
• Opportunity to work on a high‑scale, transaction‑heavy backend platform.
• Technical environment focused on quality and continuous improvement.