Aufgaben External personnel will provide Quality Assurance services limited to verification and validation activities, including: Definition and execution of functional, integration, and regression test scenarios for selected PFRs Preparation and maintenance of test cases based on agreed requirements and acceptance criteria Execution of tests in dedicated test environments Structured documentation of test results, defects, and quality risks Re-testing after defect resolution and contribution to release readiness assessments Development activities, solution design, prioritisation, and release decisions remain exclusively with internal teams. Profil Must: Energy Trading and Azure DevOps Proven experience in software Quality Assurance and testing of complex business applications Strong skills in functional, integration, and regression testing Experience in testing end-to-end workflows across integrated systems Ability to analyse requirements and derive structured test cases independently Experience with defect documentation and quality reporting in regulated or business-critical environments Professional communication skills and experience working within defined delivery and governance frameworks Benefits Location: Remote Language: English