Katarzyna Rajchert is an experienced QA Engineer currently employed at Appfire since September 2019, where responsibilities include performing functional, stability, and API tests, reporting work implementation status, and collaborating closely with development, product management, and support teams. Prior to this role, Katarzyna served as a QA Coordinator at Appfire for one and a half years, leading QA initiatives, ensuring timely delivery of tested tasks, and conducting software testing for the Big Picture Team. Katarzyna's earlier experience includes a position as a Software Tester at Cyfrowy Polsat S.A. from October 2017 to July 2018, focusing on software testing in digital television, including functional, performance, and stability tests.