Senior Quality Assurance Engineer (m/f/d) - Checkout - Hamburg or Berlin (hybrid)
ABOUTYOUGmbH
Posted: February 17, 2026
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Quick Summary
A Senior Quality Assurance Engineer (m/f/d) is required to join the Checkout Unit in Hamburg or Berlin, focusing on designing, developing, and executing automated end-to-end tests, managing bug reports, and leading regression testing to ensure high-traffic customer interactions and transactions are stable and secure.
Required Skills
Job Description
We are currently looking for a skilled Senior Quality Assurance Engineer (m/f/d) to join the Checkout Unit onsite in Hamburg or Berlin.
What you will do:
 
• 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
Who you are:
• 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
Benefits:
• Hybrid working
• Fresh fruit every day
• Sports courses
• Free access to code.talks
• Exclusive employee discounts
• Free drinks
• Language courses
• Laracast account for free
• Company parties
• Help in the relocation process
• Mobility subsidy
• State-of-the-art technology
• Central Location
• Flexible Working Hours
• Company pension
• Professional training
• Dog-friendly office
• AY Academy
• Feedback Culture
• Job Bikes
 
YOU ARE THE CORE OF ABOUT YOU
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. :-)