About us:

At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.

We strive to deliver quality above anything else. 

About the project:

Help us build the future of web hosting while mastering the complexity of the present. We orchestrate the full spectrum of hosting services starting from provisioning, integration, customer interaction - across both legacy and next-gen platforms.
The challenge? Contribute to our future vision while learning from battle-tested systems as we migrate our entire shared hosting customer base to a modern platform, without missing a beat.
The opportunity? Shape the architecture that powers it all.

What you'll get in:

• AI-powered development: Leverage Gemini, Copilot, and Claude Code to accelerate test design, test automation, and defect analysis, then apply your expertise through rigorous test reviews and quality validation;
• Agile engineering culture: Scrum practices, continuous integration, and fast iteration cycles;
• Collaborative environment: Friendly, open team culture where ideas flow freely;
• Deep Cloud & Infrastructure Exposure: Gain hands-on experience with industry-leading platform technologies, including OKD (OpenShift), Kubernetes, and Docker. You won't just be testing; you’ll be working within a modern containerized ecosystem;
• Modern Java Ecosystem: Work closely with the Spring framework, giving you a deep understanding of how enterprise-level microservices are built and orchestrated.

What you'll do:

• Participate in testing and delivery of high quality software;
• Manage the testing process through all phases of the project lifecycle;
• Define, implement and execute:
• Middleware automated functional tests
• Frontend automated tests
• Manual tests, when suitable scenarios demand them
• Non-functional tests
• Integrate the automated test cases into the Continuous Delivery pipeline;
• Maintain both the test suites and the test frameworks;
• Promotion of best practice testing within the team using any other frameworks and tools;
• Investigate, report, document and check bugs resulting from different types of tests;
• Work with colleagues and peer teams, both local and abroad;
• Be a part of our young and dynamic team.

We appreciate:

• Good understanding of software development lifecycle and methodology;
• Java and OOP knowledge;
• Nice to have knowledge of / User experience with behavior-driven development tool Cucumber;
• Background in REST API test automation;
• Knowledge of Playwright / Selenium or any other UI automation tool / framework;
• Knowledge of a build automation tool (i.e. Maven, Gradle);
• Knowledge of relational and / or non-relational databases (MySQL, PostgreSQL, etc);
• Experience with version-control systems, such as Git;
• Basic Linux skills;
• A proactive mindset, who shares his/her ideas and brings them to life;
• Highly motivated, self-driven, good analytical skills with an eye for details and interested in Quality Assurance;
• Good written and verbal English language skills;
• Very good communication skills;
• Nice to have user-level experience with tools like: Jira, Confluence;
• Nice to have knowledge of automation testing tools like: Jmeter;
• Nice to have usage of tools and technologies like: Postman/Insomnia/Bruno, Swagger, Docker, Kubernetes, OKD;
• Nice to have hands-on experience with Continuous Integration platforms (eg. Jenkins);
• Nice to have ISTQB Foundation Level;

What we offer:

• Access to local/international trainings, development and growth opportunities, including access to e-learning platforms, covering both technical and soft skills areas;
• Modern technologies, product responsibility;
• Flexible work schedule;
• Hybrid work option;
• Medical services package from one of two private providers;
• 25 vacation days per year;
• Substitute days off for public holidays that occur on the weekend;
• Meal tickets;
• Internal referral program;
• Team events, networking events organized to promote a passionate, creative and diverse culture;
• Summerfest and Winterfest parties;
• Of course, coffee, soft drinks and fresh fruits are on us in the office.