Test Performance Engineer - QA(UI & API Testing)

Diebold Nixdorf

📍 Katowice, Silesian Voivodeship, Poland

Full-time Computer Occupations Posted February 20, 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).