Manual Tester – Integrations of Banking Systems… at Capco · Warsaw

CAPCO POLAND Location: Warsaw, Poland At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management. Our secret? A culture that’s fast, flexible, and fiercely entrepreneurial. We move quickly, think creatively, and always put our people first. We’re passionate about growth - both for our clients and ourselves - and that means attracting the very best talent to join us on this exciting journey. We’re proud to be: • Trailblazers in banking, payments, capital markets, wealth, and asset management • Champions of an agile, nimble, and innovative work environment • Dedicated to building a team of top-notch professionals who share our drive and vision Support critical banking and card platform transformations through high-quality integration and end-to-end testing. THE ROLE We are looking for a Manual Tester with experience in banking systems and integrations to support large-scale card issuing and payments transformation programmes. You will be responsible for validating integrations and data flows between the new card issuing platform and a wide range of banking systems, digital channels, and enterprise platforms. Working closely with business, technology, and integration teams, you will execute end-to-end testing activities, validate messages and interfaces, and ensure the accuracy and reliability of critical business processes across the banking ecosystem. Fluency in Polish is mandatory. KEY RESPONSIBILITIES: Execute manual testing activities for integrations between the Vision platform and the Bank’s internal and external systems Validate data flows between card issuing systems, mobile and web applications, ESB/Omnichannel platforms, general ledger systems, and digital channels Verify files, interfaces, messages, APIs, and input/output data across assigned business process scopes Document test execution results, log and retest defects, and maintain testing evidence and traceability Support SIT, regression, and end-to-end testing activities in collaboration with business, development, and integration teams SKILLS & EXPERIENCES TO GET THE JOB DONE: Experience performing integration or system testing within banking, cards, or payments environments Understanding of banking system integrations, enterprise applications, and end-to-end transaction flows Experience validating interfaces, APIs, files, messages, and data mappings Familiarity with test management and defect tracking tools such as JIRA, HP ALM, or similar platforms Strong analytical and communication skills with attention to detail and quality assurance best practices Experience working with card issuing platforms or payment processing systems Knowledge of ESB, Omnichannel, middleware, or API integration technologies Exposure to mobile banking or digital channel testing Understanding of message formats such as ISO 8583, XML, JSON, or batch file processing ISTQB certification or equivalent testing qualification IMPORTANT Fluent Polish (spoken and written) is mandatory Good command of English for documentation and collaboration Availability to work on-site, with partial remote work - 3 days per week from the office in Warsaw ONLINE RECRUITMENT PROCESS STEPS Screening call with the Recruiter Hiring Manager Technical Interview Client Interview Feedback/Offer We offer a flexible collaboration model based on a B2B contract, with the opportunity to work on diverse projects. #LI-HYBRID