Company Description We are currently looking for a skilled Senior Quality Assurance Engineer (m/f/d) to join the Transaction & Customer Unit onsite in Hamburg or remotely within the EU. Senior Quality Assurance Engineer (m/f/d) - Transaction & Customer - Onsite in Hamburg or Berlin Job Description • Focus on the design, development, and execution of automated end-to-end tests • Manage and prioritize bug reports, keeping their business value in mind • Lead regression testing, identify and resolve defects to ensure the stability of high-traffic customer interactions and transactions • Analyze complex workflows, data flows, and database interactions to identify potential areas for improvement in test coverage and performance • Report bugs and reproduce them throughout the complete bug cycle • Coordinate testing efforts to ensure the delivery of quality features • Advocate for product quality within cross-functional teams • Contribute to ABOUT YOU’s long-term automation strategy in testing Qualifications • 4 years of experience in QA, testing, and debugging REST backend applications, with strong knowledge of HTTP methods, status codes, headers, and error handling • Proficient in API validation against OpenAPI/Swagger specifications • 4 years of experience with JavaScript/TypeScript or other OOP languages, using frameworks like Mocha/Playwright, and GitlabCI • 2 years of experience working with relational and NoSQL databases, focusing on integration and data flows • Passionate about automation and building maintainable test suites that provide continuous feedback, with strong skills in both exploratory and automated testing • Experienced with agile methodologies • Excellent communication skills, including fluent written and spoken English for clear collaboration • Solid understanding of transaction systems, gateways, customer data, and large-scale database structures • Committed to identifying and addressing issues early, ensuring high-quality customer-facing features and services Additional Information Benefits • Grow together with one of the fastest growing eCommerce companies in Europe • Flexible working times • 40% discount on our online shop • Fresh fruits drinks everywhere • Language courses (German & English) • Free sports courses & reduced price for gym membership • Subsidized public transportation ticket • Free choice of hardware and operating system (Mac, Windows, Linux) also for private usage • State-of-the-art tech stack running on AWS • Modern office in the city center of Hamburg • International working environment and English as company language • Company flats (subject to availability) • Agile work environment (MOVE) and cross-functional teams • Free access to Germany’s greatest developer conference code.talks • Help in relocation and VISA process *Please find free fruits, drinks and coffee in our lovely Hamburg Office / HQ YOU ARE THE CORE OF SCAYLE. We take responsibility for creating an inclusive and exceptional environment where all genders, nationalities, and ethnicities feel welcomed and accepted exactly as they are. We believe that a diverse workforce essentially contributes to the ABOUT YOU culture. In order to maintain talent and diversity, we emphasize the care for physical health, mental health and overall well-being. Our values and work ethics essentially contribute to our brand mission: empower acceptance and shape an inclusive, fair, and circular fashion culture. We are looking forward to receiving your application – preferably via our online application portal! Thus, we can ensure a faster process and for you, it is very easy to upload your application documents.