I am developing card payment systems. I had the opportunity to consult one of the leading banks in Turkey on card profiles. Apart from this, I took part in the step of creating a profile and generating the printing data for the TROY credit card in a participation bank. Afterwards, I supported the bank in the testing stages of the card. I had the opportunity to examine the Ocean screens. I also developed card personalization applications for payment schemes such as Visa, Mastercard and AMEX for one of the largest card issuing offices in Turkey. Apart from this, I took part in the development of our company's EMV compliance check application, adding new modules and updating the application that compares the profiles of two cards and detects differences. I also reviewed the cards that received errors and provided feedback on the areas that needed to be edited for these cards. In general, I had the opportunity to have extensive knowledge on the cryptografi processes used for payment systems. It is a great pleasure for me to work on payment systems. I aim to develop my career in the field of payment systems and banking operations.Apdu CommunicationEncryption-CryptographyPayment SystemsEMVPayment CardsHSMC#.Net CoreAsp.Net CoreEFCoreLINQ MsSqlHtmlCssJavaScriptBootstrapJquery