Software Tester - Cypress & Playwright in C#

Düsseldorf, Nordrhein-Westfalen - EUR Full Time Posted by: Optimus Search Posted: Tuesday, 16 December 2025 About usOptimus Search has partnered with Microsoft Gold Partner, they are a product-based company that specialises in innovative software solutions for document verification and integrates AI into its solutions. With 13 years of market presence, the company has grown to over 200 employees, of which about a quarter work in software development.We are seeking a skilled Software Tester to design and maintain automated test suites using Cypress (JavaScript/TypeScript) and Playwright (C#). The successful candidate will be instrumental in ensuring software quality by creating end-to-end, UI, and API tests, integrating them into CI/CD pipelines and Testkube, and working closely with both developers and QA teams.TasksCreate, develop, and maintain automated test scripts using Cypress (JavaScript/TypeScript) and Playwright (C#).Design and execute end-to-end, regression, UI, and API tests.Integrate automated testing into CI/CD pipelines and manage test execution through Testkube.Review test results, identify issues, and collaborate with developers to address defects.Improve test execution speed and ensure the maintainability of tests.Follow best practices for test automation, ensuring the stability and scalability of tests.Collaborate with cross-functional teams to define and enhance testing strategies.ProfileProven experience in test automation with Cypress (JavaScript/TypeScript) and Playwright (C#).Practical experience with Testkube for orchestrating and running tests.Strong programming skills in C# and JavaScript/TypeScript.Experience with CI/CD tools like GitLab CI/CD, Azure DevOps, or Jenkins.Familiarity with REST API testing and tools such as Postman.Understanding of test automation frameworks, selectors, and managing dynamic elements.Experience working in Agile environments with tools like JIRA.