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Senior Tester

Netherlands, Amsterdam · Job Posted March 24, 2026
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Job Description

You are an experienced Senior Test Engineer who thrives in Agile and DevOps environments, bringing strong technical testing expertise alongside a proactive, quality-driven mindset. You take ownership, think critically, and collaborate effectively across distributed teams. You enjoy coaching others, driving continuous improvement, and maintaining a holistic view of system quality, reliability, and compliance.

Job Responsibility

  • Own end-to-end testing activities within a Scrum / DevOps setup, ensuring features are validated across functional, integration, and non-functional dimensions
  • Design, execute, and maintain both manual and automated tests for .NET / C# applications and microservices
  • Drive test strategy improvements, automation maturity, and quality standards within the squad and wider testing community
  • Validate system reliability, performance, security, and compliance in CI/CD-driven delivery pipelines
  • Collaborate closely with engineers and stakeholders to resolve complex quality and delivery challenges

Requirements

  • 5+ years of testing experience with strong coverage of manual and automated testing (Smoke, System, Regression, Sanity, Performance, E2E, Contract, Integration, Acceptance, Chain
  • white-box & black-box)
  • Solid knowledge of .NET / C#, SQL validation, API testing (Postman or similar), and microservices testing
  • Hands-on experience with Test Automation Frameworks, TDD / BDD, CI/CD, Azure DevOps, Git, and Confluence
  • Practical expertise with automation tools such as Selenium, Cucumber / SpecFlow, and Cypress, plus familiarity with Microsoft Azure cloud environments

Nice to have

  • Power BI
  • Azure Data Factory
  • experience with Audit, Compliance, Operational Risk, and general IT risk & controls

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