We are seeking a highly skilled Senior QA Engineer with a strong focus on end‑to‑end (E2E) testing, either using Java‑based testing frameworks or Cypress. The idóneo candidate will have extensive experience designing, developing, and executing E2E test automation solutions in fast‑paced agile environments. You will play a key role in ensuring the quality and performance of mission‑critical applications, working closely with developers, product managers, and other QA team members to deliver high‑quality software products.

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In This Role You Will Have The Opportunity To

- Lead the design, development, and maintenance of E2E automated test scripts using Java-based frameworks (e.g., TestNG, JUnit) or Cypress
- Design and develop infrastructure testing including load, performance, and stress tests and integrate them into our release cycle
- Prioritize data‑driven risk reduction by focusing testing around known bottlenecks and critical paths: ingestion pipelines, query latency, network and storage performance
- Develop test plans, test cases, and test strategies for automated and manual testing
- Drive test automation efforts across the product lifecycle, ensuring robust test coverage and continuous integration (CI) pipeline integration
- Collaborate closely with cross‑functional teams to understand business and technical requirements, ensuring thorough testing of features and functionalities
- Identify, record, document, and track bugs or performance issues using tools like JIRA
- Collaborate on evolving testing frameworks that you will adopt,



as well as the test suites to ensure prioritization of our organization’s needs and requested features
- Optimize and maintain existing test automation frameworks, ensuring scalability and efficiency
- Stay up‑to‑date with industry trends, emerging technologies, and best practices in QA and testing, and apply this knowledge to continuously improve testing processes

Basic Qualifications
- Strong experience in E2E test automation using Java (TestNG, JUnit) or Cypress
- Proficiency in Java programming or TypeScript (for Cypress)
- Hands‑on experience with GitHub for Continuous Integration/Continuous Deployment (CI/CD)
- Experience with version control systems like Git
- Solid understanding of web technologies (HTML, CSS, JavaScript) and RESTful APIs; ability to create clear, comprehensive, and well‑structured test plans and test cases
- Knowledge of QA methodology and tools, with demonstrated experience in a Quality Assurance Engineering role
- Demonstrated ability to take initiative and work independently, solving problems without requiring external assistance or supervision

Preferred Qualifications
- Experience with cloud environments (AWS, Azure, etc.)
- Knowledge of distributed systems, microservices architectures, and cloud‑based applications
- Knowledge of containerization (Docker) and orchestration tools (Kubernetes)
- Experience with testing frameworks like JUnit and TestNG (for Java) or Jest, Mocha, and Cypress (for JavaScript testing)
- Experience with web and API testing

Benefits

At Ververica, you will help shape the future of real‑time data processing. xcskxlj Join us in a dynamic, collaborative environment where your leadership and expertise will drive our success and define the next era of innovation.

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📌 Senior Quality Assurance Engineer (m/f/d) (Barcelona)
🏢 Ververica
📍 Barcelona