Senior Test Performance Engineer - QA (UI & API)

Diebold Nixdorf

📍 Katowice, Silesian Voivodeship, Poland

Full time Computer Occupations Posted June 12, 2026

Job Description

Position Overview:

We are seeking a skilled developer with expertise in UI and API performance testing to ensure our applications deliver optimal speed, scalability, and reliability. This role involves designing, implementing, and executing performance tests, analyzing results, and collaborating with development teams to optimize application performance across both front-end and back-end components

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