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# Senior Software Tester

- **Company:** Blackberry Alle Jobs Anzeigen
- **Location:** Düsseldorf, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €80,000.0 - €105,000.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Agile Methodology, Artificial Intelligence, JIRA, Automation of Tests, Mobile Application Software, Object-Oriented Software Development, Scrum Methodology, Ruby, Appium, Large Language Models
- **Published:** July 25, 2026
- **Apply:** https://www.careerjet.de/jobad/decfe49d8486f9094eaddde628b6ec91ab

## About the Role

* 5+ years in manual/functional software testing, with a focus on mobile applications.
 * Proven ability to design, write, and maintain functional test cases from requirements.
 * Strong exploratory testing and clear, reproducible defect reporting.
 * A structured, analytical mindset.
 * Curiosity about using AI and leading LLMs to work faster and smarter
 * Good knowledge of Agile, Scrum, and JIRA.
 * Nice to have: test automation experience (Appium, Ruby, OOP), ISTQB certification

## Description

As a Senior Software Tester in our agile scrum teams, you will work alongside developers, ensuring that quality is included by design and only commercial grade software leaves the team. Quality is not only assured through rigorous testing and test automation, but also by constantly optimizing system parameters and testing methods.
Are you the person we're looking for?

 * Do you have a structured, analytical mindset that helps you break things-only to make them stronger?
 * Creating, maintaining, and executing functional test cases is second nature to you?
 * You thrive on collaboration, knowing that working closely with developers and product teams leads to the best results?
 * Are you curious about using AI and the latest models to design better test cases and test faster?
 * Continuous improvement is your cornerstone?
 * You can't imagine a team without collaboration, and you know that teamwork leads to success?


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