Coordinating test-related task assignments with internal and external customers, if necessary on site, taking into consideration the cost-effectiveness (deadlines, costs) as well as legal, internal and safety-related regulations Develop and execute test plans, test cases, and test scripts based on requirements.Perform functional, regression, integration, and performance testingIdentify, document, and track bugs and defects using tools like JIRA, Bugzilla, or similarWork closely with developers, QA engineers, and product managers to ensure high-quality releasesConduct manual and automated testing (where applicable) to improve efficiencyValidate fixes and verify software meets business and technical requirements. Documenting and interpreting test results; working out improvements and coordinating with DevelopmentPresenting test results to internal and external customers, and, if necessary, suggesting improvementsInvolvement in Hella regulations, taking into consideration the standardization of operating-equipment creation.