Senior Test Automation Engineer (Java)

• Create, maintain, and improve automated tests for both component-level and end-to-end system testing
• Collaborate closely with developers, QA teams, and product owners to ensure complete and effective test coverage
• Leverage a Gherkin-based testing framework to design and run automated test cases
• Develop and support testing strategies for data pipelines built on Kafka, verifying data integrity, message transformations, and enrichment processes
• Design and implement test scenarios for Java Spring Boot microservices, with emphasis on performance, scalability, and system reliability
• Diagnose and resolve issues in test environments and scripts to support continuous integration and testing
• Actively contribute to Agile ceremonies including sprint planning, reviews, and retrospectives
• Provide guidance and mentorship to junior QA and automation engineers, promoting a culture of quality and continuous improvement

• Min. 5 years of hands-on experience in test automation, including both component-level and end-to-end system testing
• Strong proficiency in Java for building and maintaining automated test scripts and frameworks
• Practical experience with BDD tools such as Cucumber, SpecFlow, or equivalents, using Gherkin syntax for test definitions
• In-depth understanding of Kafka-based systems , including message queues, topics, producers, and consumers
• Proven ability to test Java Spring Boot microservices and RESTful APIs
• Familiarity with automation tools like Playwright, RestAssured, or similar
• Experience working with CI/CD platforms such as Jenkins, GitLab CI, or others
• Solid working knowledge of both SQL and NoSQL databases to support data validation and integrity checks
• Knowledge of containerization and orchestration (preferable Kubernetes)
• Familiarity with monitoring and logging tools like Prometheus and Grafana
• Prior experience in Agile/Scrum environments
• English on an advanced level (written and spoken)

• Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development,
• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors,
• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle,
• Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres),
• Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients,
• Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years,
• A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad.

Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives.

Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.