AGO Office: Software Quality & Testing Engineer

For our client, an international leader in high-tech machine building and coating technology, we are looking for a Software Quality & Testing Engineer with a strong affinity for customer support. In this pivotal role, you will bridge the gap between software development and real-world application, ensuring the stability and reliability of a complex industrial software platform while actively scaling our support activities. Software Support & Troubleshooting Analyze, reproduce, and resolve incidents across test, staging, and production environments to minimize implementation risks for our clients Investigate logs, error messages, and system behavior to identify root causes Distinguish between software bugs, configuration issues, data discrepancies, and user inquiries Maintain a prioritized list of improvement opportunities to focus the team on high-impact fixes Communicate clearly with clients regarding status updates, explanations, and practical workarounds Take full ownership of issues from the initial report through to resolution and validation Quality Improvement, Testing & QA Tooling Translate recurring or critical support cases into robust test cases and regression scenarios Validate bug fixes and perform targeted regression and smoke tests Contribute to automated tests for C#/.NET backend services and Angular frontend applications Utilize various testing approaches, including unit, integration, end-to-end, and contract testing Work with UI and E2E frameworks such as Cypress, Playwright, or Selenium Support non-functional testing, including performance and reliability checks Collaboration & Continuous Improvement Act as a "reality check" from the customer's perspective in engineering and quality discussions Contribute to improvements in logging, diagnostics, and overall product usability Maintain and improve support processes, guidelines, and documentation for known issues Participate in international deployments and commissioning projects (approximately 15% travel) Participate in a standby rotation (1 week out of 3) for urgent out-of-hours support Several years of experience in software testing, quality engineering, or software development Strong knowledge of C#/.NET (backend) and experience with modern web applications ( Angular is a plus) Familiarity with test automation, CI/CD pipelines, and container environments (e.g., Kubernetes) Strong analytical mindset with the ability to translate complex customer problems into testable scenarios A clear communicator who is quality-driven, pragmatic, and comfortable in client-facing roles Willingness to participate in a 1-in-3 standby rotation for urgent support Readiness to travel internationally (approx. 15% of the time) for on-site commissioning