Manual Tester – Integrations of Banking Systems (Polish is Mandatory) (She/He/They) at Capco

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