Position Mid-Level BASE24-eps Developer Experience 3+ Years Location Remote Employment Type Payroll – Haparz Notice Period Immediate Joiners Only About the Role We are looking for a Mid-Level BASE24-eps Developer with hands-on experience in payment systems and transaction processing. In this role you will develop configure test and support solutions on the BASE24-eps platform while working on high-volume real-time financial transaction systems. You will collaborate with technical teams to deliver secure scalable and reliable payment solutions across banking and financial services. Roles & Responsibilities Analyze business and technical requirements related to payment processing systems. Design develop and enhance applications on the BASE24-eps platform. Develop and maintain applications using C++ and object-oriented programming principles. Build and maintain Linux/Unix scripts for automation and operational support. Configure institutions terminals routing rules products and transaction processing parameters. Implement and support ISO 8583 financial messaging requirements. Work on authorization reversal advice timeout and store-and-forward transaction flows. Develop and maintain integrations with payment networks core banking platforms fraud systems reconciliation systems HSMs ATMs and POS devices. Perform unit integration functional and regression testing. Analyze logs journals and transaction traces to troubleshoot production issues. Provide application support and participate in deployment and release activities. Collaborate with QA Infrastructure Security Operations and Business teams. Participate in code reviews documentation knowledge-sharing sessions and production support rotations. Required Skills 3+ years of software development or transaction processing experience. 1–3 years of hands-on experience with BASE24-eps. Strong knowledge of C++ and Object-Oriented Programming. Experience working with Linux/Unix environments and shell scripting. Good understanding of ISO 8583 messaging standards. Experience with SQL and relational databases. Familiarity with Git and software release processes. Experience supporting high-availability payment applications. Strong troubleshooting and incident analysis skills. Preferred Skills Experience with Visa Mastercard American Express or other payment networks. Knowledge of EMV contactless payments and tokenization. Experience with HSMs cryptography and PCI DSS. Exposure to IBM MQ/WebSphere MQ REST APIs and middleware. Experience with DB2 PostgreSQL IBM Z IBM Power HPE NonStop or Red Hat Enterprise Linux. Banking acquiring or financial services domain experience. Education Bachelor's degree in Computer Science Information Technology Systems Engineering or a related field. Relevant experience with BASE24-eps and payment systems will also be considered. Work Location Remote