Senior Test Performance Engineer QA (UI & API)

Expect more. Connect more. Be more at Diebold Nixdorf. Our teams automate digitize and transform the way more than 75 million peoplearound the globebank and shop in thishyper-connected consumer-centric world. Join us inconnecting people to commerce in this vital rewardingrole.

Position Overview:

Were looking for a curious impact-driven engineer who is passionate about performance scalability and engineering quality.

In this role you wont just test systemsyoull shape how they perform in the real world. Youll design intelligent performance strategies build automation and partner closely with developers to ensure our applications are fast resilient and delightful to use at any scale.

If you enjoy digging into bottlenecks working across UI and APIs and building tools that make engineering teams stronger this role is for you.

Location:Hybrid model is possible (minimum 3 days in Katowice office per week).

• Drive performance quality
  Design and execute performance strategies covering UI and API layers (load stress and beyond)
• Build smart automation
  Create scalable reusable test frameworks and scripts that simulate real-world usage
• Turn data into insight
  Analyze performance metrics identify bottlenecks and help teams make data-driven decisions
• Be part of the engineering flow
  Embed performance testing seamlessly into CI/CD pipelines
• Enable great environments
  Shape test data strategies and ensure systems are observable stable and ready to scale
• Elevate quality standards
  Track meaningful KPIs (e.g. critical path coverage defect escape) and continuously improve engineering practices
• Coach and collaborate
  Review code share best practices and help teams build testable high-quality systems
• Own problems end-to-end
  Triage issues perform root cause analysis and implement long-term solutionsnot just fixes
• Keep knowledge flowing
  Maintain clear living documentation and playbooks

• Innovate with AI
  Explore and implement AI-driven approaches for test generation anomaly detection and smarter regression strategies

Must have:

• 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 approachyou 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

Nice to have:

• 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

We offer:

• Contractofemployment
• Cafeteria Program
• Over8000industryrecognizedtrainings
• Variousoptionsofdevelopment
• Beingpartofamulticulturalteam
• Possibilitytouseforeignlanguagesonadailybasis
• Teamworkingandsupportiveatmosphereinourteams
• Lifeinsurance
• Privatemedicalcare
• Sportcard
• 26daysofholidayregardlessseniority
• Employeereferralprogramme.

Pay Transparency Statement
The monthly base salary range for this position starts from 10900.00 PLN gross
Actual compensation will depend on factors such as qualifications skills competencies geographic location and relevant experience. Certain roles may include additional components beyond base salary such as incentive opportunities or other forms of variable compensation. Details of any such components will be discussed during the interview process and will be governed by the applicable plan documents.

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