NN Digital Hub is a subsidiary company of NN Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units.
Senior QA Engineer
You will be a supporter of change by ensuring the quality, reliability, and performance of digital solutions that positively impact our customers' lives. Through your expertise in quality assurance and continuous improvement, you will help deliver trusted products faster, enabling innovation while maintaining the highest standards. Join us in our offices in Madrid to be part of a highly collaborative project.
Your Impact as Senior QA Engineer: What are you going to do
As a Senior QA Engineer, you will play a key role in delivering reliable, secure, and high-quality APIs that power critical customer journeys across our digital ecosystem. Working closely with developers, architects, and product teams, you will drive quality from the earliest stages of API design through to production release. By identifying risks early, automating validation processes, and providing clear insight into product quality,



you will help accelerate delivery while ensuring a seamless and trustworthy experience for our customers.
Key responsibilities include:
Design, develop, and maintain automated API test frameworks and test suites, ensuring comprehensive validation of functional and non-functional requirements.
Review API designs, specifications, and user stories early in the development lifecycle to identify quality risks, edge cases, and potential failure points before implementation begins.
Execute exploratory, integration, regression, and end-to-end testing, providing detailed evidence of successful outcomes and clear documentation of defects, including reproduction steps, impact analysis, and recommendations.
Collaborate closely with developers, architects, and product owners to define quality standards, acceptance criteria, and test strategies that support reliable and scalable API solutions.
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📌 Senior QA Engineer (Madrid)
🏢 Nn Group
📍 Madrid