Senior QA Engineer - POS Hardware (m/f/d)

What your work will look like: Test and validate new payment terminal hardware and software releases. Collaborate on systems used for merchant onboarding and master data management. Test API integrations with Network Service Providers (NSPs), requiring familiarity with JSON. Write clear documentation and user manuals for new features. Use JIRA for issue tracking and basic project management tasks. Use Confluence for knowledge sharing and documentation. Employ tools like Opensearch, Postman, and basic SQL for testing and data review. Leverage basic background in cash register systems for relevant QA tasks. Communicate effectively with cross-functional and developer teams. Support and resolve requests from other teams regarding features, products or systems. Analyze special tasks and provide QA insights and recommendations. Deliver presentations and training sessions about new features and product solutions to internal teams. Work in both English and German (proficiency in both is preferred). What you need to be successful in this role: Experience or strong interest in QA/testing of software and hardware. Basic understanding of programming concepts; experience with JSON is a plus. Basic knowledge of Opensearch, Postman, and SQL. Experience with JIRA and Confluence is an advantage. Good written and verbal communication skills; ability to explain technical topics to non-technical audiences. Strong documentation skills and attention to detail. Familiarity with Microsoft Office (Word, Excel, PowerPoint). Fluency in both English and German Team player with a proactive and analytical mindset. Previous experience with payment terminals, APIs, or cash register systems is a plus. Please note that we will not sponsor your visa or relocation, and you must have a valid work permit to be eligible for this position. What’s next? Does it sound exciting? - Apply with your CV in English. Please don’t shy away if you don’t meet all the requirements! We’re looking forward to meeting you. We will get back to you within 14 days of receiving your application. The interview process includes a 30-minute intro call with a TA Partner, a 60- minute call with the hiring manager, 60min skills assessment and a 30min final call. Please note the process might alter depending on our team’s availability.