Quality Assurance Manager as Freelancer (.NET C#) (all genders)

About Vexcash AG VEXCASH AG is Germany’s leading online provider of short-term loans. We offer our customers a quick and straightforward solution to tide them over until their next payday. More than 800,000 customers already trust our service. Thanks to our innovative approach, they can secure financial liquidity without having to commit to a long-term arrangement. Job Overview We are looking for an experienced QA Automation Tester to join our IT / Software Development team. The candidate must have strong hands-on experience with C# and .NET and be capable of developing, executing and maintaining automated UI and API testing solutions using Microsoft technologies. The ideal candidate should have practical experience with Playwright using C# or Selenium WebDriver using C#, API testing, automated testing frameworks and Azure DevOps CI/CD pipelines. Key Responsibilities Develop automated UI test scripts using C# and .NET. Create, maintain and improve automated testing frameworks. Implement Page Object Model (POM) design patterns to ensure reusable and maintainable test code. Develop and execute automated API tests for RESTful web services using C# and .NET. Perform API testing using Postman and automated testing frameworks. Validate API requests, responses, HTTP status codes, JSON payloads and data integrity. Use NUnit, xUnit or MSTest for automated test execution. Automate functional, regression, integration and end-to-end testing. Integrate automated UI and API tests into Azure DevOps CI/CD pipelines. Execute automated test suites and analyse test results. Collaborate with C#/.NET developers to investigate and resolve UI, API and application-related defects. Maintain test documentation, test cases and automation scripts. Benefits A responsible and varied position with a high level of autonomy The opportunity to actively shape and further develop our quality organization A collaborative and international working environment If you are motivated and excited about taking on this responsible role and becoming part of our success story, we encourage you to apply today!