
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 SCAYLE 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.
As part of SCAYLE’s Add-on Unit, we design, build, test, fix, release, and monitor modular, plug-and-play e-commerce solutions for the SCAYLE commerce engine, solutions that enable additional capabilities for our tenants, drive conversion, enhance operational efficiency, and ensure seamless integrations across diverse customer setups.
Within this context, our QA Engineer plays a key role in safeguarding the quality and stability of these add-ons throughout their entire lifecycle. As an essential member of the unit, the QA is responsible for validating complex FE/BE interactions, ensuring integration reliability, and supporting the team in delivering robust, production-ready features.
What you will do:
Testing complex frontend and backend integrations between SCAYLE, Add-ons, and external systems (e.g., marketplaces, partner services, etc).
Performing comprehensive API testing (CRUD operations, error validation, contract behavior) using tools like Postman.
Executing and maintaining E2E, regression, and functional tests across multiple customer scenarios and configurations.
Debugging cross-system communication by analyzing logs, payloads, and service interactions to identify root causes quickly and accurately.
Using monitoring tools such as Datadog to validate system performance, trace flows, and detect inconsistencies or failures after releases.
Who you are:
Strong experience testing complex FE and BE integrations (web apps, microservices, external systems)
Solid understanding and hands-on experience with RESTful APIs, CRUD operations, and tools like Postman
Basic to intermediate SQL knowledge (writing simple queries, joins, validations).
Fluent in English
Benefits

The ABOUT YOU Group is an international e-commerce group, organized into different strategic business units: The online fashion store ABOUT YOU represents the Group's business-to-consumer business. With over 13 million active customers, ABOUT YOU is one of the largest online retailers for fashion and lifestyle in Europe and the leading provider of a personalized shopping experience on smartphones. In the award-winning ABOUT YOU app and on aboutyou.com, customers find inspiration and a range of around 750,000 items from nearly 4,000 brands. The Group's business-to-business operations are largely handled by SCAYLE GmbH. SCAYLE offers a modern, cloud-based enterprise shop system that enables brands and retailers to scale their digital businesses quickly and flexibly, and adapt to growing customer needs. Around 300 online stores choose SCAYLE's Commerce technology under a license model, including leading brands and retailers such as Harrods, Manchester United, Deichmann, Fielmann, and FC Bayern. The newest subsidiary of the ABOUT YOU Group, SCAYLE Payments GmbH, complements the Group's portfolio of payment services. The payment service provider received the payment services license from the German Federal Financial Supervisory Authority (BaFin) in October 2024 and is currently being rolled out across various European markets. SCAYLE Payments enables the seamless integration of modern payment solutions and helps to scale customers' digital business models.
For further information, please visit: corporate.aboutyou.de/en.
Legal notice
Responsible for editorial content:
ABOUT YOU Holding AG
Domstrasse 10
20095 Hamburg Germany
E-mail: info@aboutyou.de
www.corporate.aboutyou.de
Local court: Amtsgericht Hamburg
Registration number: HRB 189825
Management Board: Tarek Müller, Hannes Wiese, Sebastian Betz
Chairman of the Supervisory Board: David Schröder