Senior QA Engineer

Senior Quality Assurance TesterLocation: Warsaw, Gdańsk, Gdynia, or Łódź, Poland (Hybrid: 50% / 2-3 days per week from the office)Rate: up to 110 PLN/hCooperation model: B2B Contract (Cooperation agreement signed directly with Optiveum)Optiveum is currently recruiting a Senior Quality Assurance Tester for our client, an international organization in the banking and finance sector. In this role, you will play a crucial part in ensuring the quality of applications and surrounding ecosystems within the Mortgage domain.Please note: Optiveum acts as the recruitment and contracting party for this position. We will sign the cooperation agreement directly with the chosen candidate.What you will do:End-to-End (E2E) Testing: Perform E2E testing of applications and surrounding ecosystems within the Mortgage domain.Test Design & Execution: Analyze requirements, design comprehensive test scenarios, create detailed test cases, and execute manual functional tests across complete user workflows.Defect Management: Identify, document, and track defects with detailed reproduction steps; collaborate closely with developers to resolve issues, and perform retesting and regression testing.Requirements Analysis: Review functional requirements for completeness and testability, participate in refinement sessions, and ensure acceptance criteria are clear.Integration Testing: Verify integration points between system components, validate data flow across applications, and test third-party integrations from a functional perspective.Collaboration & Reporting: Work closely with business analysts, developers, and product owners; participate in Agile ceremonies; communicate test progress and provide testing estimates.Release Readiness: Provide test status reports and quality metrics, plan and execute regression tests for each release, and support UAT activities.Must-have skills:10+ years of experience in Software Testing with a strong background in the Mortgages domain.Strong manual testing skills covering Functional, System & Integration, API, and PEGA testing.Proven End-to-End (E2E) testing experience.Working experience in Pega and REST API testing.General testing knowledge equivalent to the ISTQB Foundation Level.Experience in defining, executing, and reporting tests for complex software systems using test management tools (e.g., qTest, Xray, HP ALM).Practical experience working in Agile teams using Jira/Confluence.Strong analytical, problem-solving skills, and a proactive 'tester mindset' (high attention to detail and quality).Ability to work in an international, cross-country environment.Willingness to learn and understand new tools and processes.Languages: Advanced proficiency in both Polish and English.Nice-to-have:ISTQB Foundation Level certification.Knowledge of automated API testing tools (e.g., Postman collections, REST Assured, Cypress, or similar).Familiarity with CI/CD pipelines.Experience testing microservices-based architectures.System Testing experience for modern UIs (Web/Mobile).