Senior Manual IT Tester

We are looking for a Senior Manual IT Tester to support the development and quality assurance of a complex banking credit workflow system covering web and mobile applications, backend services, and system integrations. The role focuses on designing and executing manual functional and integration tests, REST/SOAP API testing, SQL-based data validation, and application log analysis using tools such as Postman, SoapUI, Kibana, and Chrome DevTools. The consultant will work closely with Developers, Analysts, and Scrum teams to investigate defects, validate end-to-end business processes, monitor testing progress, and ensure the reliability of new functionality across integrated banking systems.

Responsibilities

• Prepare manual test cases and test scenarios
• Execute functional and integration tests
• Perform REST/SOAP API testing
• Test web and mobile application functionality
• Validate frontend and backend behaviour
• Use SQL to verify data and system results
• Analyse application logs to investigate defects
• Plan and organise testing activities
• Monitor test execution and report progress
• Register and track defects
• Retest fixes delivered by developers
• Support the creation of automated tests
• Cooperate with Developers, Analysts and Scrum teams
• Prepare testing documentation and reports

Requirements

• Strong commercial manual testing experience
• Experience testing web and mobile applications
• Frontend and backend testing
• API testing using Postman or SoapUI
• SQL knowledge and data validation
• Application log analysis, preferably Kibana
• Chrome DevTools or similar browser developer tools
• Test case and test scenario design
• Knowledge of ISTQB testing principles and best practices
• Jira or similar test management tools
• Experience reporting and monitoring test results
• Understanding of data models and structures
• Experience working with Developers, Analysts and Scrum teams
• Fluent Polish
• English minimum B2

Nice to have

• Banking or financial services experience
• Credit or lending systems experience
• Backend test automation experience
• Basic programming knowledge for debugging and testing
• Experience with complex enterprise integrations
• Previous experience with workflow applications

Benefits

• Flexible hybrid work model (1 day/week on-site in Warsaw)
• Solid, competitive salary
• Work in a multinational environment on international projects
• Comprehensive healthcare
• Long-term B2B contract with a stable project pipeline