Kareem Elsayed is a highly skilled Senior POS Android Developer with extensive experience in developing payment applications and integrations across various platforms. Currently at Neoleap since April 2024, Kareem previously held roles at OANDA and Diyar United Company, focusing on supporting and developing applications for payment systems utilized by millions of customers. Expertise includes working with advanced technologies such as Java, Kotlin, ISO8583, and EMV, in addition to integrating payment solutions within POS devices for prominent vendors. Kareem has also contributed significantly as a technical lead at Etisalat Egypt and managed Android development teams at Al Amin Electronic Payments, overseeing projects for major financial institutions in Egypt. Educational background includes a Bachelor's degree in Engineering from The German University in Cairo, completed in 2018.