Quality Assurance Test Engineer (Luxembourg)

About the role

Cyberr, a professional networking platform for cybersecurity experts, is looking for a Quality Assurance Test Engineer to join its team in Luxembourg. You will be responsible for ensuring the reliability and performance of our application through comprehensive automated testing.

Key responsibilities

• Build and maintain end‑to‑end (E2E) test suites covering critical user journeys.
• Define and track test coverage targets across unit, integration, and E2E layers.
• Create pre‑ and post‑migration test plans to validate feature parity on AWS.
• Automate regression tests and integrate them into CI/CD pipelines.
• Own bug triage, severity classification, and reporting to the development team.
• Conduct performance and load testing before product launches.

Required profile

• Minimum 3 years of experience in QA engineering with a focus on automation.
• Comfortable reading and writing JavaScript/TypeScript for test code maintenance.
• Experience testing against staging and production environments.

Required skills

• Playwright, Cypress or Selenium for UI automation.
• API testing tools such as Postman, Jest, and Supertest.
• JavaScript/TypeScript programming.
• CI/CD integration using GitHub Actions.
• Load testing with k6.