Senior Test Engineer-QA (UI & API)

Our requirements

• Experience (3+ years) in software engineering or test automation, with a strong automation mindset
• Solid coding skills in C# (or similar modern language)
• A proactive approach—you enjoy designing solutions, not just executing tasks
• Performance testing tools (e.g., JMeter or similar)
• UI automation frameworks (e.g., Playwright, Selenium, Selenoid)
• CI/CD and engineering tools (Docker, Jenkins, Git, Jira/XRay)
• Working across Windows & Linux environments
• Understand modern software testing and Agile delivery
• Can clearly communicate ideas and document your work
• Good English communication skills.

Optional

• Experience with AI in testing (e.g., GitHub Copilot, MCP concepts)
• Familiarity with Elastic Stack or messaging systems (RabbitMQ)
• Exposure to hardware simulation or end-to-end system testing

Your responsibilities

• Driving performance quality by designing and executing UI and API performance testing strategies, including load and stress testing.
• Building scalable, reusable automation frameworks and scripts that simulate real-world user behavior.
• Analyzing performance metrics to identify bottlenecks and support data-driven engineering decisions.
• Embedding performance testing into CI/CD pipelines to ensure continuous quality and delivery.
• Defining test data strategies and ensuring systems are observable, stable, and scalable.
• Elevating quality standards through KPI monitoring and continuous improvement of engineering practices.
• Reviewing code and sharing best practices to improve system quality, testability, and maintainability.
• Coaching and collaborating with teams to foster a quality-first engineering culture.
• Owning issue resolution through triage, root cause analysis, and implementation of sustainable fixes.
• Maintaining clear, up-to-date documentation, knowledge bases, and operational playbooks.
• Innovating with AI-driven approaches for test generation, anomaly detection, and intelligent regression testing.
• Driving continuous improvement of performance engineering tools, processes, and methodologies.

About the project

What we offer

• Contract of Employment
• Private Medical Care
• Cafeteria Program
• Multisport Card
• Life Insurance
• Hybrid Work Model (if applicable)
• 26 Days Annual Leave Regardless of Seniority
• Learning & Development (8,000+ Trainings)
• Career Growth Opportunities
• International & Multicultural Environment
• Foreign Language Use
• Employee Assistance Program
• Employee Referral Program
• Supportive & Inclusive Culture

Benefits

• sharing the costs of sports activities
• private medical care
• life insurance
• employee referral program

Diebold Nixdorf