Senior Performance Test Engineer - AI-Driven Automation

Diebold Inc.; Katowice; Hybrid; PLN 111,000 - 133,000; Full time

Benefits offered by this job

Cafeteria Program

Sportcard

Employee referral programme

Job summary

Diebold Nixdorf is seeking an impact-driven software performance engineer who thrives on optimization, automation, and scalable testing. You will design performance strategies, create automation, and collaborate with developers to ensure fast, resilient applications at scale.

You will work in a hybrid setup (minimum 3 days in Katowice) and contribute across UI and API layers, building tools to empower engineering teams and improve system observability, quality, and reliability.

Qualifications

• Experience (3+ years) in software engineering or test automation.
• Solid automation mindset and ability to design solutions.
• Strong knowledge of performance testing across UI and API layers.

Responsibilities

• Drive performance quality by designing and executing performance strategies for UI and API layers.
• Build scalable, reusable test frameworks and scripts simulating real-world usage.
• Analyze performance metrics, identify bottlenecks, and guide data-driven decisions.
• Embed performance testing into CI/CD pipelines as part of the engineering flow.
• Shape test data strategies and ensure systems are observable and scalable.
• Track KPIs like critical path coverage and defect escape; improve practices.
• Review code, share best practices, and help teams build high-quality systems.
• Triage issues, perform root-cause analysis, and implement long-term fixes.
• Maintain clear, living documentation and playbooks.

Skills

C#

Performance testing

UI automation

CI/CD tooling

Playwright

Selenium

Selenoid

Docker

Jenkins

Git

Jira/XRay

Tools

Docker

Jenkins

Git

Playwright

Selenium

Selenoid

Jira/XRay

Job description

Diebold Nixdorf is seeking an impact-driven software performance engineer who thrives on optimization, automation, and scalable testing. You will design performance strategies, create automation, and collaborate with developers to ensure fast, resilient applications at scale.

You will work in a hybrid setup (minimum 3 days in Katowice) and contribute across UI and API layers, building tools to empower engineering teams and improve system observability, quality, and reliability.