Senior Test Engineer (f/m/d)

Senior Test Engineer (f/m/d) Join Axpo Services EMEA to drive quality across our customer-facing platforms! As a Senior Testing Engineer, you will collaborate with cross-functional teams, QA engineers, and business stakeholders to ensure the highest standards of quality in our frontend, backend, and mobile applications. What you will do: Take ownership of manual and automated testing for React/TypeScript frontends, Java-based backend services, and mobile applications. Collaborate with business stakeholders during refinement and planning sessions to translate feedback into structured test scenarios and actionable improvements. Continuously assess and enhance the QA foundation, improving test reliability and coverage across the platform. Maintain and evolve the Selenium/Java automation framework, including test structure and reporting via ExtentReports. What you bring & who you are: 5+ years of experience in Quality Assurance or Software Testing. Strong hands-on experience testing React and TypeScript web applications. Proven experience testing Java-based backend systems, including REST APIs and microservices. Expertise in Selenium WebDriver and Java for UI test automation, with TestNG and ExtentReports. Familiarity with Cypress is a plus. Experience with Appium for mobile application testing. Proficiency with REST Assured for API test automation and tools like Bruno or Postman for exploratory API testing. Ability to write clean, well-structured test code in Java. Experience with E2E, API, and integration testing in an agile environment. Excellent English communication skills (C1). About the team: You’ll be part of a collaborative and innovative product team that values quality, teamwork, and continuous improvement. We embrace diversity and foster an inclusive environment where everyone’s ideas and contributions are valued. Even if you don’t meet all the criteria, we encourage you to apply – we look forward to hearing from you! Benefits: At our company, we strive to create a culture of continuous learning, personal growth, and inter- national community involvement. We're passionate about providing our employees with the tools and resources they need to succeed, and we're confident that you'll love being part of our team! Working Hours We offer flexible working hours to accommodate your work schedule. 60% on remote and 40% at our offices in Madrid, Torre Europa. Meal allowances You can enjoy delicious meals on us, no matter if you are working remotely or on-site. *Option to use it for public transportation or childcare instead. Internet Compensation We cover the cost of your home internet connection, as we understand how essential connectivity is in the modern workplace. Training courses Our company is committed to helping our employees grow and develop their skills, which is why we offer a variety of industry- specific training courses and a learning channel. Gym Coverage Stay active and healthy with our 90% coverage benefit, which provides access to the nearby gym: Forus Selection to keep you energized throughout the day Health Insurance We take the health and well-being of our employees seriously, which is why we offer a comprehensive health insurance plan and the option to extend it to your spouse and children. At Axpo Group, we are dedicated to fostering a culture of non-discrimination, tolerance, and inclusion. As an equal opportunity employer, we welcome applications regardless of race and ethnicity, gender identity and expression, sexual orientation, age, disability, as well as socioeconomic, cultural, and religious background. We are committed to ensuring a respectful and inclusive recruiting process and workplace for everyone. Department IT / Technology Role Permanent position Locations Madrid Remote status Hybrid Faces of Axpo More videos About Axpo Group Axpo's ambition is to provide society with a sustainable future through innovative energy solutions. Axpo is the largest Swiss producer of renewable energy and an international pioneer in energy trading and the marketing of solar and wind power. More than 7,500 employees combine experience and know-how with a passion for innovation and the joint search for ever better solutions. Axpo relies on innovative technologies to meet the ever-changing needs of its customers in over 30 countries in Europe, North America and Asia. Founded in 1908 Co-workers 7500